A new study finds that fragments of tumor DNA in a patient's bloodstream could show that they are at high risk of a melanoma ...

Is it possible to build a Dyson sphere that isn't catastrophically unstable? New research says yes, but only in one type of ...

Cats sometimes catch and leave a "gift" for their humans. But why do cats give us dead mice, birds or other prey?

Researchers bombarded these hybrid lifeforms with a year's worth of Martian radiation in just 5 hours — and they survived, ...

Venus will be at its brightest in the morning sky — just 67 days after it was at its brightest in the evening sky. Here's why ...

Easter-egg decorating is an ancient tradition with deep roots extending at least into the medieval period of European history ...

The James Webb Space Telescope has pointed its infrared optics at the 'Crystal Ball Nebula' NGC 1514, a planetary nebula ...

But why is yawning contagious? Brain cells called mirror neurons may play a role in contagious yawning, Dr. Charles Sweet, a ...

Why matter dominates over antimatter in our universe has long been a major cosmic mystery to physicists. A new finding by the world's largest particle collider has revealed a clue.

A three-part documentary on penguins' hidden lives will reveal a number of never-before-seen moments. Here's what executive ...

A new stretchable hydrogel battery can withstand extreme conditions and still operate effectively, scientists say.

The plains viscacha looks a lot like a chinchilla, but it's known for building vast tunnels underground and for producing ...