Technologies

NASA Used AI to Drive Its Perseverance Mars Rover for the First Time

NASA used Anthropic’s Claude for an experiment in plotting the rover’s course, which the agency deemed successful.

Plotting a course for NASA’s Perseverance rover, 140 million miles away on Mars, is significantly more difficult than setting a driving route here on Earth, where we can punch an address into Google Maps and be on our way in seconds. The rover’s course is usually plotted by a team at NASA’s Jet Propulsion Lab to account for terrain, obstacles and potential hazards, lest the rover tip over or get damaged.

For the first time, NASA’s JPL used AI to plot a course for Perseverance, and it seems to have worked out.

The two demonstrations, which took place on Dec. 8 and 10, were plotted by Anthropic’s Claude AI models and double-checked by JPL to ensure that the AI didn’t accidentally drive the rover into a ditch. Perseverance drove just under 1,500 feet across the two drives with no documented issues.

NASA took a similar approach with plotting the waypoints as it would with human operators. Claude was fed the same satellite imagery and data from NASA’s Mars Reconnaissance Orbiter that JPL scientists would use, and then asked to plot waypoints that Perseverance could handle safely.

The resulting path was slightly modified by NASA and then shipped to Perseverance, which then drove the path autonomously.

«This demonstration shows how far our capabilities have advanced and broadens how we will explore other worlds,» said NASA Administrator Jared Isaacman. «Autonomous technologies like this can help missions to operate more efficiently, respond to challenging terrain and increase science return as distance from Earth grows. It’s a strong example of teams applying new technology carefully and responsibly in real operations.»

You can watch the Dec. 10 drive on NASA’s YouTube channel, which has been condensed into a 52-second video.

A more efficient way to do it

While AI is largely known as a provider of slop, which has been blamed for rapidly degrading people’s internet experience, it can be useful in some scientific pursuits. It takes time to parse years of imagery and data, plot the Perseverance waypoints, and then execute them.

Per NASA, waypoints are usually set no more than 330 feet apart, which means Perseverance is exploring the red planet one football field at a time. Take its epic climb out of the Jezero Crater in 2024. The journey took Perseverance 3.5 months and, all told, the rover climbed a total of 1,640 vertical feet. As of December 2025, the rover has driven a total of just 25 miles in roughly four years.

The goal, according to JPL space roboticist Vandi Verma, is to let Perseverance (and other Mars rovers) travel much farther while «minimizing operator workload.»

Verma also notes that AI could be used to flag interesting features on the planet, saving the human science teams time by eliminating the need to manually check «huge volumes of rover images.»

«This demonstration shows how far our capabilities have advanced and broadens how we will explore other worlds,» said Isaacman. «Autonomous technologies like this can help missions to operate more efficiently, respond to challenging terrain and increase science return as distance from Earth grows. It’s a strong example of teams applying new technology carefully and responsibly in real operations.»

Technologies

Ring Finally Goes Wire-Free for Its Latest 4K Video Doorbells

The launch of battery-powered versions of the company’s powerful AI doorbells has been highly anticipated.

Security company Ring on Wednesday announced a significant expansion of its video doorbell line, notably battery-powered versions of both its 4K and 2K models, priced from $80.

Both Amazon’s Ring and Google Nest debuted high-resolution video doorbells with new AI features in the fall of 2025. But they were wired only, and in my tests, I kept thinking, «I sure wish there were battery models available.»

Wireless video doorbells are far better for most front doors than models that require connecting to your existing doorbell wiring, which is often poorly positioned for a security camera. Mine, for example, is located on a wall beside my door that’s useless for any kind of video views, no matter how you angle a lens.

«Enhancing image quality in battery-powered doorbells means customers can enjoy reliable performance with the flexibility to install devices in a way that suits their space, whether renting or living in homes without existing wiring,» a Ring spokesperson said.

At first, I wondered whether the higher 4K resolutions and more advanced AI features would use too much power to support batteries. If so, Ring is the first to fix that issue with this suite of doorbells, including these models available for preorder right now:

Ring Battery Doorbell Pro — $250: This model offers up to 4K resolution and 10x zoom, and Ring says it features a redesigned internal architecture to support battery power.
Ring Battery Doorbell Plus (2nd-gen) — $180: This model includes a quick-release battery pack along with 2K video.
Ring Battery Doorbell (2nd-gen) — $100: This video doorbell includes 2K video, a 6x zoom and what Ring calls a «streamlined, rechargeable design,» which means you take the entire video doorbell to charge it, not just the battery — a design I greatly prefer, since Ring’s battery packs can get fiddly.

There’s also a new version of a Ring wired doorbell with 2K resolution, starting at $80. It wouldn’t be Ring without a plethora of doorbell devices to confuse newcomers, which is why I have a guide specifically for Ring video doorbells that will need some updating once I finish testing these new models.

Resolution plus an intelligence upgrade

Ring’s ordinary subscriptions of the Ring Protect plan give you cloud video storage and intelligent alerts for people, packages and vehicles, which are important but not really advanced AI. But spring for the $20-per-month Ring AI Pro cam, and this new generation of cameras opens up other capabilities.

Ring’s AI features include AI video descriptions, so if you get an alert, you can also get a summary of what the doorbell saw, including people and activities. A similar feature lets you search your video history with specific terms, such as «bike,» «truck» and so on. You also get the beta version of Ring’s Familiar Faces feature, which can ID logged faces of people who approach.

If these AI features make you uneasy and you’d rather protect your privacy, the best option is to avoid a subscription altogether or choose a lower-tier plan that gives you cloud storage without AI.

I also have a guide on how to turn off Ring’s detection and data-sharing features that might make you nervous, so you can keep what you like while ditching what you don’t.

Technologies

Today’s NYT Mini Crossword Answers for Thursday, March 26

Here are the answers for The New York Times Mini Crossword for March 26.

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.

Baseball is back! You’ll see baseball images patterned throughout today’s Mini Crossword grid, and when you solve the puzzle, they’ll spell out a certain word. Play ball! Er, 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.

Read more: Tips and Tricks for Solving The New York Times Mini Crossword

Let’s get to those Mini Crossword clues and answers.

Mini across clues and answers

1A clue: Degrees for boardroom execs
Answer: MBAS

5A clue: «___ want for Christmas …»
Answer: ALLI

6A clue: What Hamlet holds while giving his «Alas, poor Yorick!» speech
Answer: SKULL

7A clue: Wild, as an animal
Answer: FERAL

8A clue: Sphere
Answer: ORB

Mini down clues and answers

1D clue: Word after «match» or «mischief»
Answer: MAKER

2D clue: Bit of writing on a book jacket
Answer: BLURB

3D clue: Penne ___ vodka
Answer: ALLA

4D clue: Window ledge
Answer: SILL

6D clue: Bay Area airport, for short
Answer: SFO

Technologies

McDonald’s KPop Demon Hunter Meals Include Bright Purple Nugget Sauce

The Derpy McFlurry mixes popping boba pearls and berry sauce into a soft-serve dessert.

McDonald’s has seen success with themed combo meals, including its holiday Grinch Meal. Now, the fast-food chain is capitalizing on Netflix’s Oscar-winning animated film, KPop Demon Hunters, with new upcoming menu items and both a breakfast meal and a lunch/dinner offering. Let’s hope you like the color purple.

The HUNTR/X Meal, named for the K-pop girl group in the movie, is a 10-piece chicken McNuggets meal that includes a medium drink and three special menu items.

Ramyeon McShaker fries come with a small bag of soy, garlic, sesame and spice seasoning, along with regular McDonald’s french fries. You sprinkle the seasoning into the provided bag, dump in the fries, shake it all up and eat.

The meal includes two new sauces for the fries and nuggets. Hunter sauce is a sweet chili sauce mixing notes of chili, garlic and pepper. But my favorite item on this new menu is Demon sauce, a bold mustard sauce with some heat and a bold purple color. There’s just not enough dark purple food out there.

There’s also a new dessert, the Derpy McFlurry, which blends creamy vanilla soft serve with berry-flavored popping boba pearls, served with a swirl of wild berry sauce. McDonald’s named it for the supernatural feline, Derpy Tiger, from the movie.

If breakfast is your bag, the new morning meal is the Saja Boys Breakfast Meal, named for the movie’s boy band.

It includes a Spicy Saja McMuffin sandwich, which is a sausage McMuffin with egg and a spicy Saja sauce, hash browns and a small drink.

Both meals come with a photocard for one of the bands and a Derpy card. The Derpy card includes a QR code you can scan to unlock online content about the film.

The full KPop Demon Hunters menu should be available at participating McDonald’s beginning March 31.

The McDonald’s Grinch meal (and its accompanying patterned socks) sold out quickly, so KPop Demon Hunters fans may want to mark their calendars and nab a meal when they are released.