Who is Cosmo the Spacedog? All you need to know about 'Guardians of the Galaxy Vol. 3's' telepathic pup

Scientists Uncovered Evidence of What Could Be Earth's First Mass Animal Extinction

A powerful solar storm is due to hit Earth on Wednesday, sparking beautiful auroras. Here's how to see them.

A recent study suggests that several of the most important, and distinct, of the body's healing responses come from one parent pathway—an ancient shared signaling route that triggered both wound healing and pathogen defense in organisms millions of years ago.