Waves of radiation from local supernovae might have mutated DNA, triggered intense lightning storms, and even caused mass extinctions.  

A new study suggests that half the world's fastest cats will be gone in 15 years—and that's being optimistic.

Scientists have discovered some of the genetic changes behind the useless wings of the Galapagos cormorant.

Could deep sleep during space travel really work one day?

Its ability to cope with wildly fluctuating blood-sugar levels might provide clues to improving human health.

Their dung consumes the oxygen around it, creating lethal pulses of suffocating water.

A stunning case of natural selection in action

Disney’s new take on the Winnie the Pooh property is a gentle, melancholic reminder that we should all relax once in a while.

There’s an easy way to find an ancient human in a bag of bones.

Reader beware: These techniques may work only if you're a cockroach.