Another hypothesis is that contagious yawning evolved to keep groups in sync. Yawns follow a natural circadian rhythm and ...

NASA's Curiosity Rover has discovered long carbon chains on Mars. On Earth, molecules like these are overwhelmingly produced ...

Why matter dominates over antimatter in our universe has long been a major cosmic mystery to physicists. A new finding by the ...

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

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

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