Arctic odyssey ends, bringing home tales of alarming ice loss

The biggest Arctic expedition in history will return to the German port of Bremerhaven on Monday after a year-long mission, bringing home observations from scientists that sea ice is melting at a "dramatic rate" in the region.

NASA's Curiosity Mars rover finds a clay cache

NASA's Curiosity rover has confirmed that the region on Mars it's exploring, called the "clay-bearing unit," is well deserving of its name. Two samples the rover recently drilled at rock targets called "Aberlady" and "Kilmarie" ...

These Gummy Bear-looking things will inherit the earth

Tardigrades, also known as water bears, are microscopic animals that live basically everywhere on earth, from the hot springs atop the Himalayas to the icy tundra of Antarctica to —almost certainly —your backyard.

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