No, Grok can’t really “apologize” for posting non-consensual sexual images
Fri 11:08pm By Kyle Orland
Despite reporting to the contrary, there's evidence to suggest that Grok isn't sorry at all about…Healthy 18-year-old welder nearly died of anthrax—the 9th such puzzling case
Fri 10:36pm By Beth Mole
With the new year comes a new report of a deadly, puzzling infectious disease. In a January 1 case…OpenAI plans new voice model in early 2026, audio-based hardware in 2027
Fri 9:27pm By Samuel Axon
OpenAI, the company that developed the models and products associated with ChatGPT, plans to…Researchers spot Saturn-sized planet in the “Einstein desert”
Fri 8:54pm By John Timmer
Most of the exoplanets we've discovered have been in relatively tight orbits around their host…SpaceX begins “significant reconfiguration” of Starlink satellite constellation
Fri 7:03pm By Stephen Clark
The year 2025 ended with more than 14,000 active satellites from all nations zooming around the…Final reminder: Donate to win swag in our annual Charity Drive sweepstakes
Fri 5:10pm By Kyle Orland
If you've been too busy replaying all of Ars' top games of 2025 to take part in this year's Ars…xAI silent after Grok sexualized images of kids; dril mocks Grok’s “apology”
Fri 4:50pm By Ashley Belanger
For days, xAI has remained silent after its chatbot Grok admitted to generating sexualized AI images…Tesla sales fell by 9 percent in 2025, its second yearly decline
Fri 4:30pm By Jonathan M. Gitlin
Tesla published its final production and delivery numbers this morning, and they make for brutal…After half a decade, the Russian space station segment stopped leaking
Fri 3:30pm By Eric Berger
A small section of the International Space Station that has experienced persistent leaks for years…Marvel rings in new year with Wonder Man trailer
Thu 8:18pm By Jennifer Ouellette
Marvel Studios decided to ring in the new year with a fresh trailer for Wonder Man, its…Research roundup: 7 cool science stories we almost missed
Thu 7:43pm By Jennifer Ouellette
It’s a regrettable reality that there is never enough time to cover all the interesting scientific…“Streaming stops feeling infinite”: What subscribers can expect in 2026
Thu 1:00pm By Scharon Harding
We’re far from streaming’s original promise: instant access to beloved and undiscovered titles…Film Technica: Our top picks for the best films of 2025
Thu 12:00pm By Jennifer Ouellette
Editor’s note: Warning: Although we’ve done our best to avoid spoiling anything too major,…Here we go again: Retiring coal plant forced to stay open by Trump Admin
Wed 4:30pm By John Timmer
On Tuesday, US Secretary of Energy Chris Wright issued a now familiar order: because of a supposed…Supply chains, AI, and the cloud: The biggest failures (and one success) of 2025
Wed 1:15pm By Dan Goodin
In a roundup of the top stories of 2024, Ars included a supply-chain attack that came dangerously…From prophet to product: How AI came back down to earth in 2025
Wed 12:00pm By Benj Edwards
Following two years of immense hype in 2023 and 2024, this year felt more like a settling-in period…The science of how (and when) we decide to speak out—or self-censor
Tue 9:30pm By Jennifer Ouellette
Freedom of speech is a foundational principle of healthy democracies and hence a primary target for…Lawsuit over Trump rejecting medical research grants is settled
Tue 8:45pm By John Timmer
On Monday, the ACLU announced that it and other organizations representing medical researchers had…DOGE did not find $2T in fraud, but that doesn’t matter, Musk allies say
Tue 8:30pm By Ashley Belanger
Determining how "successful" Elon Musk's Department of Government Efficiency (DOGE) truly was…NJ’s answer to flooding: it has bought out and demolished 1,200 properties
Tue 8:00pm By Emilie Lounsberry
MANVILLE, N.J.—Richard Onderko said he will never forget the terrifying Saturday morning back in…
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