Technologies
Nintendo Switch Online: Sega Genesis Library Adds 4 Classic Games
Alien Storm, Columns, Golden Axe 2 and Virtua Fighter 2 join the subscription service’s library.

If you pick up the original model Nintendo Switch, the little Switch Lite or the fancy Switch OLED, you’ll have heaps of stellar games to choose from. However, if you want online multiplayer gaming and access to a library of retro Nintendo 64, SNES, NES and Sega Genesis titles, you’ll want to sign up for Nintendo’s Switch Online subscription service and check out its Expansion Pack tier for some nostalgic joy.
The Genesis retro library added Alien Storm, Columns, Golden Axe 2 and Virtua Fighter 2 on Thursday.
The September Nintendo Direct livestream revealed that beloved 1997 shooter GoldenEye 007 will join the N64 lineup «soon,» but it’s unclear when it’ll arrive. Mario Party 3, Pokemon Stadium 1 and 2, 1080 Snowboarding and Excitebike 64 are all coming in 2023.
The higher tier is pricey but also gives you access to Animal Crossing: New Horizons’ paid expansion and the Mario Kart 8 Deluxe Booster Course tracks at no extra cost, along with the N64 and Genesis libraries.
The SNES and NES libraries also expanded recently, with Fighter’s History, Kirby’s Avalanche and Daiva Story 6: Imperial of Nirsartia joining the list of classics. These are available in a standard membership, so you don’t need the Expansion Pack tier to play them.
The service lets you race against faraway friends in Mario Kart 8, battle distant rivals in Super Smash Bros. Ultimate and trade with fellow trainers in Pokemon Legends: Arceus. It also includes support for cloud backup of game data, access to the Nintendo Switch phone app and a few exclusive offers. Let’s take a look at the whole lot.
How much does Nintendo Switch Online cost?
The basic plan will set you back $4 ( 3.49, AU$6) for a month, $8 for three months or $20 for a year. You could also opt for the $35 family plan, which is designed for households with a bunch of people who want their own accounts. It lets up to eight people play online, use cloud saves and access the SNES and NES libraries and other basic features for a year.
You also have another option: a Nintendo Switch Online plus Expansion Pack subscription. This gives you access to a larger library of classic games, from the N64 and Genesis, along with the Animal Crossing: New Horizons Happy Home Paradise DLC expansion.
The Expansion Pack is considerably more expensive than a basic subscription. An individual membership costs $50 for a year, while a family plan subscription costs $80. There are no options for paying monthly or for three months, so you have to commit for a year.
Does the Nintendo Switch Online family plan have restrictions?
The family plan lets you create a group of up to eight Nintendo accounts across multiple Switch systems and gives each person unrestricted access to Switch Online’s features. The person who sets up the account pays the subscription fee and is designated as the administrator and parent or guardian, giving them the ability to add or remove people to and from the plan.
The administrator account doesn’t get control over the other people’s accounts and you can leave whenever you want. You’ll just revert to a single-account subscription if it’s still active, or you’ll need to sign up for a new subscription if not.
It’s possible for the administrator to set other accounts in the plan as «supervised,» letting them restrict eShop purchases and viewing, as well as reviewing sign-in history.
The Expansion Pack tier doesn’t add any restrictions for subscribers on family plans, so it’ll work the same way as it does on the basic tier.
Online play
The most basic perk of Nintendo Switch Online is online multiplayer gaming. If you want to visit a friend’s island in Animal Crossing: New Horizons or battle your buddies in Super Smash Bros. Ultimate, you’ll need a subscription. However, one major multiplayer game will work without a subscription: Fortnite is playable online even if you don’t have an active online subscription.
Classic Nintendo games
Subscribing to Switch’s online service lets you access a library of old N64, SNES, NES and Genesis games, like a Netflix for Nintendo games. These are all found within the system-specific apps, which you can download from the eShop. This service will also be the only way to access digital versions of classic Nintendo games once the Wii U and 3DS eShops close in 2023.
Much like the NES Classic and SNES Classic retro consoles, you can switch between visual filters in the apps’ menus — a 4:3 mode, pixel perfect and a fuzzy scan-line-filled CRT mode for the true retro experience.
Less retro is the cheeky rewind feature. If you want to try something again, you can press and hold ZL and ZR to jump back a few frames, and it’ll be like your mistake never happened. This feature isn’t available on N64 games, but you can create suspend points so you can save your game at any time.
Nintendo has also included online multiplayer in games that were previously local-only. It’s also added online modes into some games that don’t have typical multiplayer options. You can pass the second player controller to a friend over the internet, so you can take turns. You can also try SP versions of some games, which add special features.
You’ll also lose access to your classic game libraries if your console is disconnected from the internet for more than a week. The console needs to check in with the service every seven days to make sure you’re still subscribed.
Which N64 games are available on Nintendo Switch Online?
If you pay for the more expensive Expansion Pack subscription, you’ll be able to play a bunch of N64 classics (and with more on the way):
- 1080 Snowboarding (coming in 2023).
- Banjo-Kazooie.
- Dr. Mario 64.
- Excitebike 64 (coming in 2023).
- F-Zero X.
- GoldenEye (coming «soon»).
- Kirby 64: The Crystal Shards.
- Mario Golf.
- Mario Kart 64.
- Mario Party.
- Mario Party 2.
- Mario Party 3 (coming in 2023).
- Mario Tennis.
- Paper Mario.
- Pilotwings 64.
- Pokemon Puzzle League.
- Pokemon Snap.
- Pokemon Stadium (coming in 2023).
- Pokemon Stadium 2 (coming in 2023).
- Sin and Punishment.
- Star Fox 64.
- Super Mario 64.
- The Legend of Zelda: Majora’s Mask.
- The Legend of Zelda: Ocarina of Time.
- Wave Race 64.
- WinBack: Covert Operations.
- Yoshi’s Story.
It typically reveals upcoming Switch Online additions in trailers about a week before they’re added to the library. We’ll update this page when the trailers drop.
Which Sega Genesis games are on the service?
Also included in the Expansion Pack will be a selection of games from the Sega Genesis (or the much cooler Mega Drive if you’re outside North America):
- Alien Soldier.
- Alien Storm.
- Altered Beast.
- Castlevania: Bloodlines.
- Columns.
- Comix Zone.
- Contra: Hard Corps.
- Dr. Robotnik’s Mean Bean Machine.
- Dynamite Headdy.
- Ecco the Dolphin.
- Golden Axe.
- Golden Axe 2.
- Gunstar Heroes.
- Light Crusader.
- Mega Man: The Wily Wars.
- Musha.
- Phantasy Star IV.
- Ristar.
- Shining Force.
- Shining Force II.
- Shinobi 3.
- Sonic the Hedgehog 2.
- Sonic The Hedgehog Spinball.
- Space Harrier II.
- Streets of Rage 2.
- Strider.
- Super Fantasy Zone.
- Sword of Vermillion.
- Target Earth.
- Thunder Force 2.
- ToeJam & Earl.
- Virtua Fighter 2.
- Zero Wing.
More Genesis games will be added in the future, Nintendo noted, but it hasn’t hinted at what they’ll be.
What about the SNES games?
The SNES library is included in a standard Switch Online membership. You don’t need the Expansion Pack tier to play these:
- Bombuzal.
- Breath of Fire.
- Breath of Fire 2.
- Brawl Brothers.
- Caveman Ninja (aka Joe & Mac).
- Claymates.
- Demon’s Crest.
- Donkey Kong Country.
- Donkey Kong Country 2: Diddy’s Kong Quest.
- Donkey Kong Country 3: Dixie Kong’s Double Trouble.
- Doomsday Warrior.
- EarthBound.
- Fighter’s History.
- F-Zero.
- Jelly Boy.
- Joe & Mac 2: Lost in the Tropics.
- Kirby’s Avalanche.
- Kirby’s Dream Course.
- Kirby’s Dream Land 3.
- Kirby Super Star.
- Magical Drop 2.
- Mario’s Super Picross.
- Natsume Championship Wrestling.
- Operation Logic Bomb.
- Panel de Pon.
- Pilotwings.
- Pop’n TwinBee.
- Prehistorik Man.
- Psycho Dream.
- Spanky’s Quest.
- Star Fox.
- Star Fox 2.
- Stunt Race FX.
- Super Baseball Simulator 1.000.
- Super E.D.F. Earth Defense Force.
- Super Ghouls’n Ghosts.
- Super Mario All-Stars.
- Super Mario World.
- Super Mario Kart.
- Super Metroid.
- Super Punch-Out.
- Super Puyo Puyo 2.
- Super Soccer.
- Super Tennis.
- Super Valis IV.
- The Ignition Factor.
- The Legend of Zelda: A Link to the Past.
- The Peace Keepers.
- Tuff E Nuff.
- Wild Guns.
- Yoshi’s Island.
And the NES games?
Like the SNES games, the NES library is included in the standard subscription. Some have modified SP versions, which let you jump to the last level, start with a bunch of power ups or otherwise tweak the experience:
- Adventures of Lolo.
- Balloon Fight.
- Baseball.
- Blaster Master (SP).
- City Connection.
- Clu Clu Land.
- Crystalis.
- Daiva Story 6: Imperial of Nirsartia.
- Donkey Kong.
- Donkey Kong Jr.
- Donkey Kong 3.
- Double Dragon.
- Double Dragon 2: The Revenge.
- Dr. Mario (SP).
- EarthBound Beginnings (aka Mother).
- Eliminator Boat Duel.
- Excitebike.
- Fire ‘n Ice (aka Solomon’s Key 2).
- Ghosts’n Goblins (SP).
- Gradius (SP).
- Ice Climber.
- Ice Hockey.
- Journey to Silius.
- Kid Icarus (SP).
- Kirby’s Adventure (SP).
- Kung-Fu Heroes.
- Mario Bros.
- Metroid (SP).
- Mighty Bomb Jack (SP).
- NES Open Tournament Golf.
- Nightshade.
- Ninja Gaiden (SP).
- Ninja JaJaMaru-kun.
- Pro Wrestling.
- Punch-Out.
- River City Ransom.
- Rygar.
- S.C.A.T: Special Cybernetic Attack Team.
- Shadow of the Ninja.
- Soccer.
- Solomon’s Key.
- Star Soldier (SP).
- StarTropics.
- Super Dodge Ball.
- Super Mario Bros.
- Super Mario Bros. 2.
- Super Mario Bros. 3 (SP).
- Super Mario Bros.: The Lost Levels.
- The Immortal.
- The Legend of Zelda (SP).
- Tecmo Bowl.
- Tennis.
- TwinBee (SP).
- Vice: Project Doom.
- Volleyball.
- Vs. Excitebike.
- Wario’s Woods.
- Wrecking Crew.
- Yoshi.
- Zelda II: The Adventure of Link (SP).
What other classic games are coming?
A possible April 18 leak suggests that Game Boy, Game Boy Color and Game Boy Advance games are hitting Nintendo Switch Online soon. The list of games tested for the service includes The Legend of Zelda: The Minish Cap, Pokemon Ruby/Sapphire/Emerald, Metroid Fusion and many others. Take this with a grain of salt for now though.
Can I play the Japanese versions?
You can access more classic games via the Japanese eShop, at no extra cost. Here are the steps for this:
1. Create a second Nintendo Account and set Japan as the region. You’ll have to use a different email address than the one linked to your regular account.
2. Create a new profile on your Switch and link it to your Japanese account.
3. Download «Family Computer — Nintendo Switch Online» and «Super Famicom — Nintendo Switch Online» apps from the Japanese store. Don’t worry about the language barrier; you’ll spot the English «Nintendo Switch Online» option.
These apps are similar to the NES and SNES ones, in Japanese. They also contain that country’s versions of games and a few that aren’t available in the West.
Japanese SNES (Super Famicom) exclusives
- Dead Dance (Tuff E Nuff).
- Doomsday Warrior.
- Fire Emblem: Genealogy of the Holy War.
- Fire Emblem: Mystery of the Emblem.
- Kirby’s Super Star Stacker.
- Shin Megami Tensei.
- Shin Megami Tensei 2.
- Shin Megami Tensei If…
- Sugoi Hebereke.
Japanese NES (Famicom) exclusives
- Adventures of Lolo 2.
- Atlantis no Nazo.
- Clu Clu Land: Welcome to New Cluclu Land.
- Downtown Nekketsu Kōshinkyoku: Soreyuke Daiundōkai.
- Famicom Wars.
- Fire Emblem: Shadow Dragon and the Blade of Light (SP).
- Joy Mech Fight.
- Route 16 Turbo.
- Smash Ping Pong.
- Tsuppari Oozumou.
- Yie Ar Kung-Fu.
There are also some SP versions that are exclusive to Japan and some regional differences in games, beyond the language.
Your main Nintendo Account’s subscription will give you access to the apps from the Japanese store, so you won’t need to pay for a separate subscription. If you can overcome the language barrier — all the text will be in Japanese — it’s worth giving these games a try.
How does cloud save data work on Nintendo Switch Online?
For subscribers, game data will automatically be backed up to Nintendo servers if you have an internet connection. If you sign in to your account on a new console, you’ll be able to download that data and pick up right where you left off. It’s an easy, simple way to protect the time you’ve invested in Nintendo Switch games.
Certain titles aren’t compatible with this feature, to prevent cheating. On the surface, that seems to make sense — players can’t hack their Pokemon Sword and Shield data to get all the starters — but it means that competitive multiplayer games with a single-player component aren’t protected. If you lose your Switch and want to pick up where you left off in Splatoon 2’s single-player campaign, you’ll be out of luck.
If you cancel, you have six months to resubscribe before your cloud data is potentially deleted, Nintendo told IGN. That’s the same amount of time Sony gives PlayStation Plus users.
How do I get the retro N64, Genesis, SNES and NES controllers for Switch?
For those who want to feel legit old-school when playing the console’s retro library, you need the controller to match. Subscribers can preorder wireless, Switch-compatible Nintendo 64 and Sega Genesis controllers from Nintendo for $50 apiece. These expensive controllers are currently sold out, and restocks have been few and far between.
The N64 controller has built-in rumble, so you won’t need an unwieldy Rumble Pak add-on like gamers in the ’90s did.
For the other retro games, SNES and NES controllers are available for subscribers as well. It’s $30 for a single SNES pad or $60 for a pair of NES pads.
Does Nintendo Switch Online include any other perks?
Subscribers will get access to free content, discounts, in-game items or the ability to play a Switch game for free during a set period. The current trial game is Pokemon fighter Pokken Tournament DX, which you can download and play at no extra charge until Aug. 24.
During its Feb. 9 Nintendo Direct livestream, the company revealed Mario Kart 8 Deluxe’s Booster Course Pass. It’ll add remastered versions of tracks from older games in the series in six separate waves through the end of 2023, meaning the racer will get 48 extra tracks. You can purchase the pass for $25, or it’ll be included if you subscribe to the Expansion Pack tier. However, you’ll lose access if you unsubscribe.
Similarly, Expansion Pack tier subscribers can access the paid Animal Crossing: New Horizons downloadable expansion Happy Home Paradise and Splatoon 2’s Octo Expansion at no additional cost. When you want to download the expansions, you can find them on the Switch’s eShop or through the Switch Online tab on the console’s home screen.
It’s also offered free original games, like Tetris 99, which came out in February 2019. A physical version has since become available for $30, in a bundle with a 12-month Nintendo Switch Online subscription.
There’s also the Nintendo Switch Game Vouchers promotion, which lets you download two qualifying Switch games for a set price of $100, instead of paying $120 to buy them separately.
If you subscribe for a year, you’ll get in-game items for Animal Crossing: New Horizons, Super Smash Bros. Ultimate and Super Kirby Clash.
Voice chat and the Nintendo Switch app
Online multiplayer is great, but without the ability to talk to other players, it’s a weirdly solitary social experience. That’s why voice chat is so important. Unfortunately, Nintendo’s solution to voice chat is a little strange.
Most game consoles allow you to plug a headset into the console’s USB port or audio input jack and talk to players directly through the game. But most Nintendo Switch games that support voice chat require the user to piggyback off a phone, using the free Nintendo Switch Online app, available on Android and iOS.
To chat with other players in Splatoon 2, you’ll need to download the app on your phone, invite your friends to a Skype-like VoIP chat in the game, then fire up the app and, finally, connect to your match. You’ll be talking with your team on your phone while playing the game on your console.
An update made it a little better, in certain games. If you start a multiplayer session in the Switch’s NES library, the phone app will automatically detect your play session and connect you to your friend. Some games will even let you chat with other players who aren’t on your friends list: Mario Kart 8 will tell you that other users are in voice chat, prompting you to open the app.
If you want to have a traditional console experience, you’ll need to buy a complicated audio splitter to literally tether your Switch to your phone. It isn’t a user-friendly experience, which is why some games sidestepped it. You can chat in Fortnite by plugging a headset into the console and playing.
The app also lets you access special features in Animal Crossing: New Horizons, Super Smash Bros. Ultimate and Splatoon 2.
How popular is Nintendo Switch Online?
The service had 32 million subscribers (PDF) as of September last year, Nintendo said in a management briefing at the time. That was a jump of around 6 million from the number at the same time the previous year (PDF).
Can I try out Nintendo Switch Online for free?
If you want to sample the goods before shelling out any money, Nintendo is offering a one-week free trial. The seven-day trial offers almost all the benefits of the core service, but it won’t let you access special offers, like those retro NES and SNES controllers.
If you don’t like the service, however, you’ll have to manually disable auto-renewal to avoid being charged a $4 monthly fee at the end of your trial.
You need a Nintendo account to sign up
If you’ve been playing Nintendo Switch for a while, you probably already have this sorted. Just in case, let’s break it down. Your Switch has individual profiles for each user. The company also has a Nintendo account to manage your profile and purchase-history on its website, console devices and phone apps. To use Nintendo Switch Online, you’ll need both and they’ll have to be linked.
Just make sure you link your profile to the right account. Any Switch profile linked to a Nintendo account will be permanently locked in.
How do I sign up?
Prepaid subscription cards are available at select retailers, but the easiest way to buy the service is simply to try to play a multiplayer game on your Switch. It’ll take you directly to the eShop to complete the sign-up process.
Technologies
Tariffs Explained: Latest on Trump’s Shifting Import Tax Plan, and What It Means
Technologies
Apple, I’m (Sky) Blue About Your iPhone 17 Air Color
Commentary: The rumored new hue of the iPhone 17 Air is more sky blah than sky blue.

I can’t help but feel blue about the latest rumor that Apple’s forthcoming iPhone 17 Air will take flight in a subtle, light-hued color called sky blue.
Sky blue isn’t a new color for Apple. It’s the featured shade of the current M4 MacBook Air, a shimmer of cerulean so subtle as to almost be missed. It’s silver left too close to an aquarium; silver that secretly likes to think it’s blue but doesn’t want everyone else to notice.
Do Apple employees get to go outside and see a real blue sky? It’s actually vivid, you can check for yourself. Perhaps the muted sky blue color reflects a Bay Area late winter/early spring frequent layer of clouds like we typically see here in Seattle.
«Who cares?» you might find yourself saying. «Everyone gets a case anyway.» I hear you and everyone else who’s told me that. But design-focused Apple is as obsessive about colors as they are about making their devices thinner. And I wonder if their heads are in the clouds about which hues adorn their pro products.
Making the case for a caseless color iPhone
I’m more invested in this conversation than most — I’m one of those freaks who doesn’t wrap my phone in a case. I find cases bulky and superfluous, and I like to be able to see Apple’s design work. Also, true story, I’ve broken my iPhone screen only twice: First when it was in a «bumper» that Apple sent free in response to the iPhone 4 you’re-holding-it-wrong Antennagate fiasco, and second when trying to take long exposure starry night photos using what I didn’t realize was a broken tripod mount. My one-week-old iPhone 13 Pro slipped sideways and landed screen-first on a pointy rock. A case wouldn’t have saved it.
My current model is an iPhone 16 Pro in black titanium — which I know seems like avoiding color entirely — but previously I’ve gone for colors like blue titanium and deep purple. I wanted to like deep purple the most but it came across as, in the words of Patrick Holland in his iPhone 14 Pro review, «a drab shade of gray or like Grimace purple,» depending on the light.
Pros can be bold, too
Maybe the issue is too many soft blues. Since the iPhone Pro age began with the iPhone 11 Pro, we’ve seen variations like blue titanium (iPhone 15 Pro), sierra blue (iPhone 13 Pro) and pacific blue (iPhone 12 Pro).
Pacific blue is the boldest of the bunch, if by bold you mean dark enough to discern from silver, but it’s also close enough to that year’s graphite color that seeing blue depends on the surrounding lighting. By comparison, the blue (just «blue») color of the iPhone 12 was unmistakably bright blue.
In fact, the non-Pro lines have embraced vibrant colors. It’s as if Apple is equating «pro» with «sophisticated,» as in «A real pro would never brandish something this garish.» I see this in the camera world all the time: If it’s not all-black, it’s not a «serious» camera.
And yet I know lots of pros who are not sophisticated — proudly so. People choose colors to express themselves, so forcing that idea of professionalism through color feels needlessly restrictive. A bright pink iPhone 16 might make you smile every time you pick it up but then frown because it doesn’t have a telephoto camera.
Color is also important because it can sway a purchase decision. «I would buy a sky blue iPhone yesterday,» my colleague Gael Cooper texted after the first rumor popped online. When each new generation of iPhones arrive, less technically different than the one before, a color you fall in love with can push you into trading in your perfectly-capable model for a new one.
And lest you think Apple should just stick with black and white for its professional phones: Do you mean black, jet black, space black, midnight black, black titanium, graphite or space gray? At least the lighter end of the spectrum has stuck to just white, white titanium and silver over the years.
Apple never got ahead by being beige
I’m sure Apple has reams of studies and customer feedback that support which colors make it to production each year. Like I said, Apple’s designers are obsessive (in a good way). And I must remind myself that a sky blue iPhone 17 Air is a rumored color on a rumored product so all the usual caveats apply.
But we’re talking about Apple here. The scrappy startup that spent more than any other company on business cards at the time because each one included the old six-color Apple logo. The company that not only shaped the first iMac like a tipped-over gumdrop, that not only made the case partially see-through but then made that cover brilliant Bondi blue.
Embrace the iPhone colors, Apple.
If that makes you nervous, don’t worry: Most people will put a case on it anyway.
Technologies
Astronomers Say There’s an Increased Possibility of Life on This Distant Planet
Using the James Webb Space Telescope, astronomers are working to confirm potential evidence of life on a distant exoplanet dubbed K2-18b.

Astronomers are nearing a statistically significant finding that could confirm the potential signs of life detected on the distant exoplanet K2-18b are no accident.
The team of astronomers, led by the University of Cambridge, used data from the James Webb Space Telescope (which has only been in use since the end of 2021) to detect chemical traces of dimethyl sulfide (DMS) and/or dimethyl disulfide (DMDS), which they say can only be produced by life such as phytoplankton in the sea.
According to the university, «the results are the strongest evidence yet that life may exist on a planet outside our solar system.»
The findings were published this week in the Astrophysical Journal Letters and point to the possibility of an ocean on this planet’s surface, which scientists have been hoping to discover for years. In the abstract for the paper, the team says, «The possibility of hycean worlds, with planet-wide oceans and H2-rich atmospheres, significantly expands and accelerates the search for habitable environments elsewhere.»
Not everyone agrees, however, that what the team found proves there’s life on the exoplanet.
Science writer and OpenMind Magazine founder Corey S. Powell posted about the findings on Bluesky, writing, «The potential discovery of alien life is so enticing that it drags even reputable outlets into running naive or outright misleading stories.» He added, «Here we go again with planet K2-18b.Um….there’s strong evidence of non-biological sources of the molecule DMS.»
K2-18b is 124 light-years away and much larger than Earth (more than eight times our mass), but smaller than Neptune. The search for signs of even basic life on a planet like this increases the chances that there are more planets like Earth that may be inhabitable, with temperatures and atmospheres that could sustain human-like lifeforms. The team behind the paper hopes that more study with the James Webb Space Telescope will help confirm their initial findings.
More research to do on finding life on K2-18b
The exoplanet K2-18b is not the only place where scientists are exploring the possibility of life, and this research is still an early step in the process, said Christopher Glein, a geochemist, planetary researcher and lead scientist at San Antonio’s Southwest Research Institute. Excitement over the significance of the research, he said, should be tempered.
«We need to be careful here,» Glein said. «It appears that there is something in the data that can’t be explained, and DMS/DMDS can provide an explanation. But this detection is stretching the limits of JWST’s capabilities.»
Glein added, «Further work is needed to test whether these molecules are actually present. We also need complementary research assessing the abiotic background on K2-18b and similar planets. That is, the chemistry that can occur in the absence of life in this potentially exotic environment. We might be seeing evidence of some cool chemistry rather than life.»
The TRAPPIST-1 planets, he said, are being researched as potentially habitable, as is LHS 1140b, which he said «is another astrobiologically significant exoplanet, which might be a massive ocean world.»
As for K2-18b, Glein said many more tests need to be performed before there’s consensus on life existing on it.
«Finding evidence of life is like prosecuting a case in the courtroom,» Glein said. «Multiple independent lines of evidence are needed to convince the jury, in this case the worldwide scientific community.» He added, «If this finding holds up, then that’s Step 1.»
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