They call it stupid hot for a reason: Heat muddles animal brains
6:00am By Marta Zaraska
On a blazing hot day in South Africa, female southern pied babblers can’t think straight. The…Grifters, cynics, and true believers: The family tree of vaccine opponents
Sat 7:00am By Diana Gitig
Stanley Plotkin, 93, was instrumental in developing a number of vaccines over the course of his…Environmentalists turn out in force to oppose Trump coal ash rollbacks
Sat 6:00am By Arcelia Martin
At a virtual public comment hearing hosted by the US Environmental Protection Agency on Thursday, a…Proposed new US funding rules: We can cancel any grant at any time
May 29, 2026, 6:58 pm By John Timmer
Last August, the Trump administration issued an executive order intended to fundamentally alter how…Kenyan court blocks Trump admin from dumping Ebola-exposed Americans there
May 29, 2026, 5:17 pm By Beth Mole
The Trump administration is refusing to repatriate Americans exposed to Ebola amid the outbreak…Botnet of more than 17 million devices dismantled
May 29, 2026, 2:46 pm By Dan Goodin
Authorities in the Netherlands said they dismantled a botnet that comprised more than 17 million…Analysis of Texas measles outbreak shows just how dangerous virus is
May 29, 2026, 2:35 pm By Beth Mole
For years, anti-vaccine Health Secretary Robert F. Kennedy Jr. and his zealous followers have…House of the Dragon S3 trailer revels in dragons, fire, and blood
May 29, 2026, 2:21 pm By Jennifer Ouellette
Some viewers were disappointed that the second season of House of the Dragon ended not with a bang,…Trump FCC warns all broadcasters to follow orders or be punished like ABC
May 29, 2026, 2:09 pm By Jon Brodkin
The eight broadcast TV stations owned by ABC filed applications for early license renewals under…Startup offers free home cleaning—if it can record it all for robot training
May 29, 2026, 12:16 pm By Jeremy Hsu
A tech startup is offering New York City residents free home cleaning with a twist—it will send…After years of stability, F1 reliability can no longer be taken for granted
May 29, 2026, 12:03 pm By Jonathan M. Gitlin
First off, apologies for the lack of a Canadian Grand Prix report at the beginning of this week;…Severed sea cucumber appendages don't seem to die
May 29, 2026, 11:10 am By Jacek Krywko
Organs, arms, appendages, and other complex tissues usually decay rapidly when they’re separated…Rocket Report: A dark day for Blue Origin; Pentagon eyes new launch site
May 29, 2026, 9:03 am By Stephen Clark
Welcome to Edition 8.43 of the Rocket Report! A disclaimer: No one yet fully appreciates the…Here's why the failure of Blue Origin's New Glenn rocket is so catastrophic
May 29, 2026, 8:43 am By Eric Berger
Thursday night's detonation of Blue Origin's New Glenn rocket during a static-fire test produced a…These researchers would be in Africa fighting ebola—but Trump cut their funding
May 29, 2026, 6:30 am By Emily Mullin
As the world struggles to contain the rapidly growing Ebola outbreak in the Democratic Republic of…The most spectacular rocket explosion since N1 just happened in Florida
May 28, 2026, 10:21 pm By Eric Berger
On Thursday evening Blue Origin attempted to test fire its massive New Glenn rocket at its Florida…2027 Audi RS5 first drive: A performance PHEV with split personalities
May 28, 2026, 6:01 pm By Jonathan M. Gitlin
Audi provided flights from Washington, DC, to Munich, Germany, and accommodation so Ars could drive…LLMs believe false statements even after explicit warnings that they're false
May 28, 2026, 5:29 pm By Kyle Orland
If you tell an 8-year-old a lie, then immediately tell them you were just kidding, that kid probably…Fed up with vibe coders, dev sneaks data-nuking prompt injection into their code
May 28, 2026, 4:29 pm By Dan Goodin
The controversy over vibe coding reached a new high this week after a developer added hidden…US healthcare still stupidly expensive, with pathetic outcomes, study finds
May 28, 2026, 4:18 pm By Beth Mole
An updated analysis comparing healthcare systems across 20 countries finds once again that the US…
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