Updated: 1 hour 47 min ago
Mon, 09/14/2026 - 5:02am
Current chatbots aren’t likely to help lone actors invent a deadly pathogen, experts say. But newer models, trained in biology, may need stronger safeguards.
Mon, 09/14/2026 - 5:02am
As global temperature increase shoots past 1.5 degrees Celsius, the vulnerable countries that fought for that Paris Agreement target face a brutal new reality.
Sun, 09/13/2026 - 5:03am
Scientists simulated what happens when the pipes and tunnels that divert rainwater fail. In one scenario, 30 percent of local residents couldn’t reach an E.R.
Sat, 09/12/2026 - 2:27pm
A researcher surveying a San Mateo County creek stumbled upon a preserved Pacific mastodon molar estimated to be at least 10,000 years old.
Sat, 09/12/2026 - 8:59am
Birds are drawn to lights, and more than a billion die each year after crashing into buildings, experts said.
Fri, 09/11/2026 - 4:35pm
The 64-year-old Michigan power plant was set to retire. Then the Trump administration intervened in a way that overstepped its authority, a court ruled.
Fri, 09/11/2026 - 4:32pm
New estimates using the planet’s surface wrinkles show that our smallest planet is growing even smaller, at a faster clip than expected.
Fri, 09/11/2026 - 2:10pm
Tribes and scientists are mounting an urgent trapping effort to keep European green crabs from devastating a corner of Puget Sound.
Fri, 09/11/2026 - 12:31pm
Cardiologists are struggling to figure out why a drug that should have prevented heart attacks didn’t work at all.
Fri, 09/11/2026 - 8:17am
The technology is far from the only existential risk our species faces. But weighing such cosmic fears can become a mind-bending exercise.
Thu, 09/10/2026 - 3:15pm
Low rainfall and shrinking rivers are causing shipping bottlenecks, and higher prices, around the world.
Thu, 09/10/2026 - 1:18pm
Tristan Buckmaster was on the path toward an important proof when one of the A.I. giants used its staggering resources to get there first.
Thu, 09/10/2026 - 12:21pm
The screens of foldable phones are a triumph of materials science and microengineering.
Thu, 09/10/2026 - 11:10am
Five years after virtually every world leader agreed to “phase down” the burning of coal for climate reasons, the fuel is more widely used than ever.
Thu, 09/10/2026 - 10:05am
A controversy around OpenAI’s latest math proof raises a fear that might become increasingly common: that A.I. tools could take valuable insights from one user and hand them to another.
Wed, 09/09/2026 - 10:00pm
Sweltering summer temperatures put last month on par with July 2023 for global warmth, scientists said. More records could be broken in the months ahead.
Wed, 09/09/2026 - 6:38pm
Two lawsuits seek to reverse the Trump administration’s moves to open the habitats of imperiled wildlife to commercial activities.
Wed, 09/09/2026 - 2:26pm
A hunter-gatherer who lived in Indonesia as early as 25,000 years ago may have regularly sucked on betel nuts to release their psychoactive properties.
Wed, 09/09/2026 - 1:57pm
The Pentagon has again postponed PFAS cleanups at hundreds of military sites, in some cases up to 19 years, prompting bipartisan anger in Congress.
Wed, 09/09/2026 - 1:21pm
The first-of-its-kind drug offers a reprieve for people who live with the debilitating sleep disorder.
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