The sun’s current 11-year activity cycle has already peaked—but extreme outbursts from our star may still be in store ...

In a new book, NASA astrobiologist Caleb Scharf says the fate of life on Earth may hinge on leaving our planet behind ...

It’s not normal for public health to be so partisan.

A new paper shows ChatGPT-5 emerging as a tool that helps scientists test ideas, navigate literature and refine experiments ...

We flock to beaches for it, cats and other animals bask in it, the quality of photographs lives and dies by it, and a person’s mood (and vitamin D level) gets a boost from it. Although it has known ...

Yet according to physics, information is never destroyed. In principle, a burned book is just as readable as the original—if ...

We’re all familiar with the sun’s daily motion in the sky. It rises in the east, gets higher in the sky until circa noon, then begins its hours-long descent to set on the western horizon. You may also ...

Heimlich writes that since he first described the technique he has heard of 162 people whose lives were saved.” “What has ...