Earth Matters

Costume designer repairs butterfly's torn wing

Illegal pot farms are endangering spotted owls

15 things you didn't know about manatees

Everyone's favorite hippo is turning 1

2017 was one of the top 3 hottest years on record

SpaceX's latest mission prepares to make history

Chameleons add glow-in-the-dark bones to long list of cool traits

Don't miss the 'super blue blood moon' on Jan. 31

Divers discover world's longest underwater cave in Yucatan Peninsula

Moscow got only 6 minutes of sunlight in December

What caused 200,000 saigas to die?

9 of the snowiest places on the planet

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