Earth - Earth Sciences news

Why is Greenland covered in ice?

The ice on Greenland could only form due to processes in the deep Earth interior. Large-scale glaciations in the Arctic only began about 2.7 million years ago; before that, the northern hemisphere was largely ...

Jan 05, 2015
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Underwater drones map ice algae in Antarctica

New robot technology leads Antarctic exploration into a new epoch. It is now possible to study the underside of sea ice across large distances and explore a world previously restricted to specially trained ...

Jan 05, 2015
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NASA satellite spots Christmas

If you're looking for Christmas NASA's Aqua satellite spotted it in the Southern Indian Ocean. It's a coral atoll (a ring-shaped reef, island, or chain of islands made up of coral) in the northern Line Islands ...

Dec 24, 2014
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