Where are the coldest places on Earth?

Antarctica, Greenland and Siberia are among the coldest places on Earth.

Recap of 2012 Christmas storm in US

This storm will go down as producing the most tornadoes ever recorded on Christmas Day in the United States since record keeping began. Photos and videos here.

How fast can a wet dog shake dry?

Researchers have found that furry mammals can shake themselves 70 percent dry in just a fraction of a second.

Top conservation issues to look out for in 2013

A team of researchers has identified 15 issues that could affect the diversity of life on Earth in 2013.

View from space: US city lights

Here's a satellite image of the United States at night.

Significant storm to affect the U.S. on Christmas

A Major storm system will bring an outbreak of severe storms across the U.S. southeast and a major winter storm across the center of the country on Christmas Day.

Gift giving: Wild dolphins to humans in Australia

Scientists think that gift giving among wild dolphins at the Tangalooma Island Resort in Australia is a form of play behavior.

I’m dreaming of a white Christmas!

Congratulations! You survived the end of the world, and Christmas is around the corner. Time to focus on that popular question: will we have a white Christmas?

Temperature records from nature reaffirm climate warming

In a large compilation, scientists used used 173 independent datasets - from natural sources such as ocean sediments - to show warming over the past century.

The aurora borealis and the coming Solar Maximum

Right now, there's huge excitement among those of us who hunt for the aurora borealis, also called the northern lights.

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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