Environment

Duke University researchers found various emotional states flicker across even idle minds.

Scientists found the flippered mammals can carry on verbal conversations much like humans do.

IUCN World Conservation Congress adopted a motion that urges governments to halt internal ivory sales and protect African elephants.

The upcoming 'Colors' episode will show why whale calves thrive in warm Atlantic waters.

An American Indian tribe's attempt to halt construction of an oil pipeline near its North Dakota reservation failed in federal court, but the government stepped in.

The Central American nation relies almost entirely on hydropower, geothermal, wind and solar energy.

The Sept. 3 temblor is one of thousands to strike the state in recent years as energy companies keep injecting wastewater deep underground.

The safest place for seabirds in Florida was right in the eye of the storm.

More than 300 reindeer in Norway died after a lightning strike in a remote part of the country.

"A plate of six oysters can contain up to 50 particles of plastic."

A U.S. District Court will hold a hearing Wednesday to decide the fate of a controversial oil pipeline near Native American territory.

The Mediterranean nation is precariously positioned near two colliding tectonic plates and shifting sedimentary basins, scientists said.

While letting goldfish go in the wild may seem like a humane way to get rid of an unwanted pet, it could be bad for the ecosystem.

It shot up in northern Colorado from a fire that may not be under control until October.

Can't even.

The Rio 2016 organizing committee cut flowers from Olympics medal ceremonies as part of its quest for sustainability.

No science degree required.

Marine biologists said this shark species, which roams the North Atlantic, may have an average lifespan of at least 272 years.

Do not mess with America's national bird.

The glowing creature might be a new species, scientists from the Ocean Exploration Trust said.

Numbers are still declining after 20 years of research and scientists are not exactly sure why.

The drone would ideally be able to administer vaccine-laced candy in three directions at once.

Frigatebirds can remain in the air for months at a time by taking advantage of air currents and tropical cloud formations.

Amazing new footage of a Bryde's whale feeding at sea shows the threatened species in its natural habitat.

The illegal trade of wildlife is a much larger, far-reaching issue than you might realize.