Technologies

The James Webb Telescope Just Zoomed In on A Hot, Haze-Free Exoplanet

Planet TOI-421b lacks the haze of other exoplanets, which means we’re able to get a surprisingly clear understanding of it.

The James Webb Space Telescope just zoomed in on the atmosphere of a planet discovered in 2020 — and now we have the clearest data ever about an exoplanet.

The awkwardly named Planet TOI-421b’s exoplanet status means that it doesn’t orbit our sun. (Exoplanets are defined as any planet beyond our solar system.)

Don’t expect to travel there any time soon. It’s 244 light-years away from the Earth — for comparison, the dwarf planet Pluto is only five and a half light-hours from us. The planet orbits a star that is similar to our sun. It is considered a sub-Neptune planet because it’s larger than Earth, but smaller than Neptune, which is four times larger than Earth.

The planet was discovered through astronomical transit, which means astronomers noticed that a star dimmed as TOI-421b passed it in orbit. This isn’t a heavenly body that a hobbyist can spot, but the best cameras out there can get you started with astrophotography.

The exoplanet was mapped by a team of astronomers from NASA, the European Space Agency and the Canadian Space Agency, who worked together to analyze the planet’s atmosphere using a form of study called spectroscopy. By parsing out light frequencies in a planet’s atmosphere, scientists can figure out what elements are present — and which ones are missing.

TOI-421b’s atmosphere is rich in hydrogen and contains signs of water vapor. But it doesn’t contain signs of methane, which leads to hazy atmospheric conditions.

Most sub-Neptune exoplanets have atmospheres shrouded in haze, which makes them difficult to image. TOI-421b was chosen for the project because the initial analysis led scientists to believe that the planet could be accurately and clearly pictured through spectroscopic imaging.

Is this planet a ‘unique snowflake’?

The team of astronomers published their findings in the Astrophysical Journal Letters, where all of the key data for the project is collected in one paper. You can read the full write-up here.

The spectroscopic images of TOI-421b are accessible in the results section of the paper, and they paint a picture of many of the exoplanet’s strange and exciting properties.

Other sub-Neptune worlds had atmospheres filled with heavy gases that indicated they were potentially mostly composed of water, but TOI-421b is composed of lightweight gases — much like the star it orbits.

This has raised questions about how different types of stars could potentially affect the atmospheres of their orbiting planets. In a statement to Mashable, Eliza Kempton, the lead investigator on the study, said it was something the astronomers would need to further explore.

«We can see if this planet just turned out to be kind of a unique snowflake, or is it emblematic of a class of planets that all have similar properties,» she said.

Technologies

Forza Horizon 6 Focuses on Japanese Car Culture: Here’s What to Know

The racing series’ latest edition, out in May, includes stunning views of Mount Fuji.

Microsoft has given racing-game fans a deeper dive into the upcoming Forza Horizon 6, and on Friday announced a May 19 release date for Xbox and PC. Premium Edition buyers will get early access on May 15, but PlayStation 5 owners will have to wait until sometime later in 2026 to play.

The publisher provided a first-look video that shows stunning views of Japan, including cherry blossom-strewn rural roads, ice-enclosed courses, neon-lit Tokyo streets and plenty of views of Mount Fuji.

The game will launch with 550 collectible cars, and Microsoft will display two on the cover: the 2025 GR GT Prototype and the 2025 Toyota Land Cruiser.

Don’t miss any of our unbiased tech content and lab-based reviews. Add CNET as a preferred Google source.

Microsoft says the open-world game will focus on Japanese car culture, with the player in the role of a new arrival to the country guided by two close friends, motorsports fan Jordy and car builder Mei.

The locations will be divided into districts, ranging from bustling urban areas such as Tokyo’s Shibuya Crossing to suburbs, industrial docklands, and more rural areas.

What to know about Forza Horizon 6

Progress in the game will include unlocking new cars and more advanced races, plus a journal of digital mementos inspired by stamp collecting.

The game features eight player houses across Japan that serve as fast-travel points. And new to the game series is The Estate, a piece of land players can acquire and build on.

Inspired by Japanese car culture, Forza Horizon 6 will add Car Meets that’ll serve as social spaces for players.

The Standard Edition costs $70, the Deluxe Edition costs $100, and the Premium Edition, which unlocks early access and includes several Car Packs, costs $120. The game will also be a Day 1 release on Xbox Game Pass Ultimate, and will be available on Steam and Xbox Cloud as well.

Technologies

TikTok Deal Will Keep It Online in the US, but Your Experience of the App Might Change

TikTok has secured its future by agreeing to split the US app from the global business. But the deal will spark changes to the app’s algorithm.

TikTok has dodged a ban and secured its long-term future in the US by announcing a deal on Friday that will see a joint venture take over US operations of the popular social video app. The deal marks the conclusion of a protracted battle over the app’s continued presence in the US, which dates back to President Donald Trump’s first term in office.

TikTok in the US will now be run by TikTok USDS Joint Venture LLC, which was established by a White House executive order issued in September 2025. At its helm will be CEO Adam Presser, previously the head of operations, who led TikTok’s efforts to ensure that the data of the app’s US users was kept secure. Shou Chew, the CEO of TikTok’s international operations, will serve on the joint venture’s board of directors.

«TikTok USDS Joint Venture’s mandate is to secure US user data, apps and the algorithm through comprehensive data privacy and cybersecurity measures,» the company said in a statement. «It will safeguard the US content ecosystem through robust trust and safety policies and content moderation while ensuring continuous accountability through transparency reporting and third-party certifications.»

The venture has three managing investors — Silver Lake, Oracle and MGX — which each hold a 15% stake. Oracle also will be responsible for protection of US user data and of the freshly retrained algorithm, which will be specific to the US version of the app.

Presidents Trump and Joe Biden raised concerns over a potential national security threat posed by TikTok, because of its Chinese-owned parent company ByteDance, which will retain a 19.9% stake in the new joint venture. During both of his presidential terms, Trump has attempted to ban TikTok, but also delayed the ban’s implementation.

The deal announced on Friday arrived moments before the deadline set by the White House for TikTok to comply with its September executive order. In a post on his social site Truth Social, Trump said he was «so happy to have helped in saving TikTok.»

«I only hope that long into the future I will be remembered by those who use and love TikTok,» said Trump. He also thanked China’s President Xi Jinping for working with the US and approving the deal. «He could have gone the other way, but didn’t, and is appreciated for his decision,» he said.

How TikTok might change for you

TikTok has more than 200 million users in the US, and if you’re one of them, the deal announced on Friday will allow you to continue using the app without the ongoing fear of it being banned.

It also won’t see you cut off from creators in China, or the rest of the world. People in the US will still be able to watch videos from Europe, such as last year’s viral «nothing beats a Jet2 holiday» trend. TikTok users outside of the US will still be able to follow their favorite American creators.

In the TikTok newsroom post, the company addressed interoperability, saying that the deal would «provide US users with a global TikTok experience, ensuring US creators can be discovered and businesses can operate on a global scale.»

Where the experience might change is in the content that is recommended to you. Under the terms of the deal, TikTok’s algorithm will be retrained, tested and updated based on US user data. This will have a knock-on impact on what you see on the platform, according to Kelsey Chickering, principal analyst at Forrester.

«TikTok’s power lies in its content graph — an algorithm that learns from thousands of user signals to deliver hyper‑relevant, highly addictive videos,» said Chickering. «With a US joint venture retraining that algorithm on domestic data, the experience will change — maybe for the better, maybe not. One thing’s certain: TikTok in America won’t be the same.»

In spite of the interoperability that will see US TikTok users connected to those across the globe, it does seem likely that the focus on US data will lead to a shift away from the global nature of the content that the algorithm currently serves up to you.

«TikTok’s US algorithm will now be trained on US data, which means what trends — and what dominates feeds — will feel distinctly American,» said Chickering. «Global content will still appear, but its ranking will change.»

Exactly how this will look may differ from person to person, and will likely take some time to come into effect as the joint venture begins the retraining process. TikTok didn’t immediately respond to questions regarding how long it expects retraining the algorithm to take, when US TikTok users should expect to be impacted by changes and whether it will issue public updates about this process.

One potential pitfall the company might want to avoid, Chickering said, is moderating the US version of TikTok in a way that tilts too far toward any one particular political viewpoint, or fails to curb misinformation. Elon Musk’s takeover of Twitter (now X) — and his subsequent algorithmic changes that alienated users and advertisers — is a cautionary tale in this regard. With Instagram Reels already vying to replace TikTok, the company will likely want to avoid making changes that could spark a mass exodus of people.

«For now, it’s speculation,» said Chickering. «It remains to be seen how new leadership will wield this power and whether moderation policies will evolve.»

Technologies

Today’s NYT Mini Crossword Answers for Friday, Jan. 23

Here are the answers for The New York Times Mini Crossword for Jan. 23.

Looking for the most recent Mini Crossword answer? Click here for today’s Mini Crossword hints, as well as our daily answers and hints for The New York Times Wordle, Strands, Connections and Connections: Sports Edition puzzles.

Need some help with today’s Mini Crossword? Hope you’re familiar with a certain blond actor (8-Across)! Read on for all the answers. And if you could use some hints and guidance for daily solving, check out our Mini Crossword tips.

If you’re looking for today’s Wordle, Connections, Connections: Sports Edition and Strands answers, you can visit CNET’s NYT puzzle hints page.

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