COVID vaccines saved millions of lives, but months into the rollout, a small number of people began developing dangerous blood clots in unusual parts of the body.

Add Yahoo as a preferred source to see more of our stories on Google. A Penn State-led study reveals the hidden chain reaction that starts lightning, linking electrons, X-rays, and gamma rays. (CREDIT ...

Theorists of consciousness generally focus on sensation – what it's like to, say, experience the color red. Yet what we call the stream of consciousness offers a much richer and more complex blend of ...

Add Yahoo as a preferred source to see more of our stories on Google. The official 4-species status was achieved only after reviewing recent genetic, morphological, and biogeographic studies on ...

The drug is sometimes prescribed to certain at-risk people—but what does the science say?

There’s plenty to marvel at about chameleons: the lizards with an astounding ability to match their skin color to their environment, in an impressive (and convincing) attempt to hide from predators’ ...

This article originally appeared on The Conversation. When viewers tune in to the 2026 Winter Olympics, they will see pristine, white slopes, groomed tracks and athletes racing over snow-covered ...

A newly discovered bacterial duo may be the hidden cause of chronic constipation. The two microbes break down the colon’s protective mucus layer, leaving stool dry and hard — a problem traditional ...

Scientists have known for decades how lightning travels once it forms, but the exact trigger inside a thundercloud stayed uncertain. A new study now offers the clearest explanation yet for how ...