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AI researcher Jacob Coxon quit, fearing extinction. Security experts see a familiar fight

An Anthropic researcher quit over fears of runaway AI. His colleague who still works there agreed. Security experts argue that the incidents that are already on record call for tighter oversight, not panic

How Did a Heart Drug With So Much Promise Fall So Flat?

GINA KOLATA

Cardiologists are struggling to figure out why a drug that should have prevented heart attacks didn’t work at all.

Mercury Is Shrinking, and Faster Than We Thought

K. R. CALLAWAY

New estimates using the planet’s surface wrinkles show that our smallest planet is growing even smaller, at a faster clip than expected.

How AI can help with early schizophrenia diagnosis

The speech of people with schizophrenia sounds subtly different from their healthy counterparts. Can AI hear those differences better than human psychiatrists?

Why doing nothing is good for your brain

The case for not filling up every minute of your day

The Mathematician Crushed Between OpenAI and Anthropic Over a Math Problem

KENNETH CHANG

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.

A.I. Could Possibly End Humanity. How Are Humans Supposed to Process That?

WILLIAM J. BROAD AND CADE METZ

The technology is far from the only existential risk our species faces. But weighing such cosmic fears can become a mind-bending exercise.

How the New iPhone Duo’s Glass Screen Bends Without Breaking

WILLIAM J. BROAD

The screens of foldable phones are a triumph of materials science and microengineering.

Racing to Contain Invasive Green Crabs in Puget Sound

REBECCA DZOMBAK AND CHONA KASINGER

Tribes and scientists are mounting an urgent trapping effort to keep European green crabs from devastating a corner of Puget Sound.