X blames users for Grok-generated CSAM; no fixes announced
Jan 5, 2026, 5:42 pm By Ashley Belanger
It seems that instead of updating Grok to prevent outputs of sexualized images of minors, X is…Earliest African cremation was 9,500 years ago
Jan 5, 2026, 5:10 pm By Jennifer Ouellette
Archaeologists have discovered Africa's oldest known cremation pyre at the base of Mount Hora in…Providers dropping common anesthesia drug that’s also a climate super pollutant
Jan 5, 2026, 4:48 pm By Phil McKenna, Inside Climate News
Desflurane is a common anesthetic used in hospital operating rooms worldwide. It’s also a climate…Ars readers gave over $42,000 in our 2025 Charity Drive
Jan 5, 2026, 3:26 pm By Kyle Orland
Last month, we asked readers to donate to a couple of good causes in our 2025 Charity Drive…Hands off! An on-the-road demo of Mercedes’ advanced new driver assist
Jan 5, 2026, 2:00 pm By Jonathan M. Gitlin
There's some debate as to when adaptive cruise control first showed up, but if you ask…Our annual power ranking of US rocket companies has changes near the top and bottom
Jan 5, 2026, 12:00 pm By Eric Berger
Which US rocket companies achieved the most during 2025? Once again, Ars Technica is here to provide…No, Grok can’t really “apologize” for posting non-consensual sexual images
Jan 2, 2026, 11:08 pm 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
Jan 2, 2026, 10:36 pm 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
Jan 2, 2026, 9:27 pm 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”
Jan 2, 2026, 8:54 pm 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
Jan 2, 2026, 7:03 pm 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
Jan 2, 2026, 5:10 pm 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”
Jan 2, 2026, 4:50 pm 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
Jan 2, 2026, 4:30 pm 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
Jan 2, 2026, 3:30 pm 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
Jan 1, 2026, 8:18 pm 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
Jan 1, 2026, 7:43 pm 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
Jan 1, 2026, 1:00 pm 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
Jan 1, 2026, 12:00 pm 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
Dec 31, 2025, 4:30 pm By John Timmer
On Tuesday, US Secretary of Energy Chris Wright issued a now familiar order: because of a supposed…
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