Where eels come from is a surprisingly difficult question to answer, in large part because scientists have never actually seen... more

People yawn when they’re bored, right? So then why do athletes yawn before races? And why do so many animals... more

A lava planet, life on other worlds, the very first starlight in the universe — the most powerful space telescope... more

Millions of Americans take dietary supplements — everything from vitamins and minerals to weight loss pills and probiotics. But because... more

Venus is the hottest, scariest planet in the solar system, but billions of years ago it may have been a... more

Mars was once a very different planet, with rivers, lakes, and — potentially — life. NASA’s latest Mars rover is... more

In all our searching of the universe, we’ve never seen another moon like ours. It's big, it's weird, it's played... more

Was there a technologically advanced species living on Earth long before humans? And if one had existed, how would we... more

Insect populations are shrinking all over the world, and entomologists are buzzing with questions: Why is this happening? How quickly?... more

A groundbreaking study claims to have found a way for a fully paralyzed person to communicate entirely via thought. Today,... more