Why did ancient humans turn to cannibalism? Experts think it may have more to do with relationships than for food sources.

The remote sensing imagery below, metaphorically akin to an ultrasound, show La Niña in the womb. The climate phenomenon's ...

"Bat populations in Colorado may be headed for a decline that could cause ecological disruptions across the state." ...

NASA’s Chandra X-ray Observatory detects X-ray emissions from astronomical events.

Study that pitted smaller-brained mammals against larger brained primates to compete in fruit-finding efficiency finds no ...

May's incredible displays may have been among the strongest in 500 years. Now, the responsible sunspot region is rotating ...

As neural networks become more powerful, their view of the world is converging rather than diverging. Now computer scientists ...

Dive into humanity’s surprisingly short history with the color blue, and discover whether that history is a result of our ...

Astronomers have long puzzled over the origins on Phobos and Demos, the red planet's strangely-shaped moons. Now they are ...

Following a "paleo diet" doesn't' exactly mean you eat what our ancient ancestors did.

The views from space reveal how devastating, long-lasting thunderstorm winds left many thousands of people without power.

Could we ever fly sustainably? Learn why that answer is yes and what types of fuel could help the environment.