Video: A bird ballet

Watch this beautiful video of thousands of birds swooping and diving in unison - dancing in the sky.

Unusual January warmth triggers severe storms in US South

Severe weather is likely to develop across the southeast United States Tuesday and Wednesday. The main threat will be damaging straight line winds and tornadoes.

Cities affect temperatures 1,000 miles away

We're not talking about the "urban heat island effect." This study focused on how "waste heat" from cities affects global weather patterns.

Photos from friends: First full moon of 2013

Beautiful photos of January 2013 full moon, as captured by EarthSky Facebook friends. Thank you all.

Dung beetles use the Milky Way to navigate at night

Scientists have discovered that African dung beetles can use the Milky Way to help them navigate at night.

Rare photo of aurora australis – southern lights – and bioluminescence

Astrophotographer Colin Legg - who calls himself "a geologist by day and photographer by night" - captured this scene shortly after the CME struck.

Best photos of night-shining clouds seen from ISS

Enjoy this gallery of images of night-shining clouds, taken by astronauts aboard the International Space Station.

Video of dolphin seeking help from divers

This video of an injured dolphin who approaches a group of scuba divers seeking help really is spectacular.

Update on 2012-2013 winter in the United States

This upcoming week looks exceedingly cold for the U.S. East. Some areas could see high temperatures only in the teens or perhaps colder by the end of this week.

Thousands of microbe species cross Pacific to North America in upper atmosphere

Scientists have identified more than 2,800 bacterial species that were deposited onto Mt. Bachelor, Oregon during two trans-Pacific dust plume events in 2011.

Matching Donation Campaign

Exciting news! EarthSky received a $50,000 gift, with a request that it be used to collect matching funds. Please help us meet this match by donating to EarthSky today!

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