Earth Matters

Curious whales size up paddleboarder

Satellites provide glimpse of feral cats' ranges

This is now the deepest lake in Iceland, thanks to melting glaciers

Woman thanks bear for leaving kayak alone ... bear then destroys kayak

Farmer discovers woolly mammoth near Detroit

Ginseng demand boosts prices and poaching

What makes a yawn contagious?

NASA's forecast for Earth: Mostly cloudy

The battle for the Salar de Uyuni

Say hello to Tofu, a red panda cub who is stealing hearts in Detroit

10 things you didn't know about hurricanes

Why NASA can't examine Martian water