Different ant species can coexist because, as the saying goes, where one is weak another is strong.

People have a harder time coming up with alternative solutions to a problem when they are part of a group, new research suggests.

A new study looks at why sexual dimorphism—the non-sexual size and shape differences between the sexes—exists in the world of six- and eight-legged creatures.

Our fondness for cute animals could have detrimental effects on preservation efforts.

Researchers have produced the world's densest memory circuit, one that industry analysts didn't expect to see for another decade.

Tears can signal everything from sorrow to joy to bitter frustration, but until recently little was known about the composition of the tear itself.

A new study suggests why Brad Pitt's chiseled jaw makes women weak in the knees, at least for a while.

People seem to assign higher value to objects when they're in a friendlier mindset, a new study suggests.

It's not clear how much of the similarity is genetic, but much of it is clearly learned, a new study suggests.

Most environmental damage is caused by a very short list of consumer products, new studies find.

A rise in Earth's temperature could prove to be a boon to insects worldwide, scientists say.

Paleontologists have uncovered a whale fossil with a monstrous set of teeth and enormous eyes. It has them rethinking whales’ evolutionary history.

It's a staple of modern medicine, but how anesthesia works in the brain is still a mystery -- even to doctors who use it.

A primitive gatekeeper in the brain works like a club bouncer to control what information gets in as we wake.

The noctornal pocket mouse finds seeds stored by its victims (shown here) and steals them in a rare known case of animal burglary.

Scientists find a link between the type of relationships we have and how a disease adapts to better infect us all.

Whether in a bar or on the battlefield, it’s easier to fight knowing friends have your back. The same is true in the ant world.

A long-sought connection is found between the size of animals in shallow and deep water.

Robins exposed to DDT before birth had smaller brains and couldn't sing a courtship tune. No matter, because they also were incapable of building a nest.

Scientists have long wondered why the cornea has no blood vessels. Now they know, thanks to a discovery that could lead to treatments for eye diseases and even cancer.