Alzheimer’s disease disproportionately affects women—around two-thirds of the people who develop it are female. Why that is the case isn't totally clear. It may be because women tend to live longer ...

Skygazers have been captivated by the 2026 total solar eclipse, the first of its kind to pass over Europe in some three decades. On August 12, for a few brief moments, about one billion people across ...

A controversial 2024 study that some vaccine skeptics used to argue that millions of people likely died as a result of COVID vaccines has been retracted over misinformation and issues with the ...

Incredible new video footage reveals a convoy of hundreds of stingrays—a grouping that marine biologists call a “fever”—off the coast of Southampton, N.Y. In the videos, shot by drone by Joanna ...

This study has been touted by Senator Bernie Sanders of Vermont as proof of the benefits of a universal, single-payer health care system, but the research hasn’t been peer-reviewed ...

Let’s start here: math’s most famous problem is no closer to being solved than it was a week ago. Neither humans nor AI have made progress on the Riemann hypothesis. But AI did just make its first ...

Astronomers just captured a never-before-seen detail of how matter makes its way from stars into planets and eventually even living things—and they did it entirely by accident. One night in November ...

For four years, little red dots (LRDs) have been the hottest topic in astrophysics. Astronomers first noticed them in observations that NASA’s James Webb Space Telescope (JWST) made in 2022. The LRDs ...

Imagine a lion with the nose of a dying star, a mane of space dust and a habitat 10,000 light-years away from Earth. On its infrared galactic safari, NASA’s James Webb Space Telescope (JWST) just ...

The 2026 total solar eclipse is finally upon us, marking the first total solar eclipse visible from parts of mainland Europe in almost three decades. Today, for a few brief moments, some one billion ...