Throughout Earth's history, life in temperate and polar zones has had to contend with the cold and darkness of winter. Across ...

Even the tiniest discoveries can have outsized significance, a worm in a salty lake hints at life yet to be found.

It looks like a child lost their floaty toy, right? But whatever you do, don’t try to pick it up. That ain’t no floaty toy. That translucent, bubble-like object bobbing along the surface, its colors ...