Earth Matters

Here's what it would be like to land on Pluto

Will tigers one day roam Central Asia again?

Critics weigh in on Al Gore's 'An Inconvenient Sequel'

SpaceX rocket makes picture-perfect landing in Pacific Ocean

Scientists finally explain mysterious 'fairy circles' found in Namibia

2016 was the hottest year on record

Massive Antarctic ice crack shutters British research station

10 women who changed the way we see nature

A few interesting facts about flying squirrels

8 unusual guard animals

Wyoming lawmakers want to put kibosh on sale of clean energy

Check out the most spectacular outdoor photos of the year

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