Do elephants make alarm call that means ‘humans!’?

A new study suggests that elephants make a specific rumble in response to the danger of humans that's distinct from calls warning of bees or other threats.

Look at the March full moon!

Images of the March 16 full moon from all around the world

This rough diamond hints at oceans’ worth of water inside Earth

A $20 diamond provides evidence of a 'wet zone' deep below Earth's surface where vast volumes of water are locked up inside minerals.

Five awesome BIG bee faces

Get face-to-face with these awesome bees. USGS macro photos of bees and insects.

Vote for best NASA Earth images of the year

There is still time to vote in NASA’s Tournament Earth, an event designed to showcase the best images of Earth for 2013.

New ozone-depleting chemicals discovered in the atmosphere

Scientists have found four new gases that harm Earth's ozone layer, despite bans.

Bald eagle nest cam 24/7

Watch baby eaglet B3 and his wild bald eagles all day, all night, thanks to the eagle nest cam from Georgia's Berry College.

Great Lakes ice cover reaches 91 percent

On March 5, NOAA reported that ice cover over North America's Great Lakes had reached 91 percent. The lakes have not been so covered with ice since 1973.

The chain fountain video is amazing

It's looks like a magic trick, but it's really a problem in the physics of everyday things.

Shark studies go electronic

Shark-cams, sensors, electronic pills reveal sharks' secrets.