Chickens are intelligent, caring, complex

Think chickens are clueless? Not so, says a new study. Instead, chicken intelligence is underestimated.

New app identifies birds from photos

Snap a pic, and the (free) Merlin Bird Photo ID app will identify the bird. Once downloaded, it can go anywhere bird-watchers go, even places without cell service or Wi-Fi.

Aurora alert! Thanks to huge coronal hole

The hole is gigantic and facing Earth's way. Possible aurora sightings at the latitude of the northern U.S. – for example, in Michigan or Maine – on January 4 and 5.

Earthquakes in Nevada this morning

The U.S. state of Nevada experienced several moderately strong earthquakes and multiple aftershocks, beginning just after midnight local time Wednesday morning.

Top 16 Earth images of 2016

Take a few minutes to enjoy these images of our planet taken by astronauts aboard the International Space Station.

The water whorls of baby starfish

Video shows the beautiful and efficient mechanism that tiny starfish larvae use to swim, feed and grow.

Scientists find jet stream in Earth’s core

ESA's Swarm satellites have discovered a jet stream in the liquid iron part of Earth’s core, nearly 2,000 miles (3000 km) below the surface.

How likely is a white Christmas?

Are you dreaming of a white Christmas? Here's the historic probability for one, in the U.S.

Did Ice Age hunters burn Europe’s forests?

Large-scale forest fires started by prehistoric hunter-gatherers are probably the reason Europe is not more densely forested, says a new study.

Twice as many bird species as before?

Bird watchers, prepare to update your checklists. Ornithologists are pondering a new way of defining bird species. If the new thinking is accepted globally, the number of known bird species would double.

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