Small asteroid to sweep safely past Earth Sunday

Asteroid passes near Earth on September 7. At its closest (18:18 UTC / 2:18 p.m. EDT), it's about the same distance from Earth as weather and communications satellites.

Today is the first-ever World Shorebirds Day

Saturday, September 6, 2014, is the first World Shorebird Day. How to participate, here.

Researchers discover remains of colossal 65-ton dinosaur

Researchers have uncovered a 77-million year old, plant eating, super-massive Titanosaur. The huge animal weighed as much as a herd of elephants.

New astronomy stamps from the Isle of Man

Heads up, stamp collectors and astronomy enthusiasts! A collection of new stamps from the Isle of Man, which has 26 Dark Sky sites.

Half of all exoplanet host stars are binaries

Yet more evidence that many worlds in our Milky Way galaxy have two suns.

Video: Your brain on coffee

We love coffee! Coffee is the second most-traded commodity on Earth, after oil. How does the world's favorite drug actually work?

Send your thoughts and images to asteroid Bennu

Submit your message on the future of communications or solar system exploration. It might be chosen for a time capsule aboard an asteroid sample return mission.

U.S. Southwest may face mega-drought this century

With ongoing climate change, the long view of future drought risk in the U.S. Southwest is not a pretty picture, say scientists.

At Iceland volcano, a white plume rises from the lava fountains

Observers around the world are watching the Bárðarbunga volcano in Iceland. Read about four likely scenarios for what might happen next.

The first known example of Neanderthal rock art

Tool marks within the engraving suggest that it was likely created by someone who intentionally passed a sharp object again and again over the cave wall.