Cuttlefish take on a variety of hues and textures to blend in.

The social and mental faculties of ants.

Earth's biggest spy may be NASA, as its satellites trek around the blue planet snapping gorgeous views and collecting gobs of data. http://oak.ctx.ly/r/1l6jq

Physicists have discovered tiny quantum tornadoes spinning inside droplets of superfluid liquid helium.

When looking for a place to settle down, young corals and fish use chemical cues to sniff out bad neighborhoods littered with seaweed.

Dr. Kent Brantly, an American doctor who contracted the Ebola virus in West Africa, is cured of the disease and was released today from Emory University Hospital in Atlanta. 

The National Park Service is celebrating its 98th anniversary on Monday (Aug.25) by waiving all national park entrance fees.

At the bottom of the ocean, a network of underwater microphones eavesdrops day in and day out on the squeaky laments of whales, the rumbles of earthquakes and the drone of passing ships.

Boeing says that to get the U.S. military's missile defense system performing up to par, engineers had to solve an "impossible" problem.

A copper awl dating to between 5100 and 4600 B.C. reveals metals were exchanged across hundreds of miles in the southern Levant more than 6,000 years ago, centuries earlier than previously thought, researchers say.

New research reveals why hummingbirds have a taste for sweets even though they lack a sweet taste receptor on their tongues. 

From changing passwords to deleting an ex from a friends list, people can take several steps to have a healthier breakup online, researchers say.