Earth Matters

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

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

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

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

This sweet-looking kitty is one of Africa's deadliest cats

Cape Town is about to run out of water

Norway pledges to stop fur farming practice