Earth Matters

Volunteers help bring life back to Grand Canyon springs

When stray cats domesticated me

The lost towns under Lake Murray

How does a dog see the world?

America's last group of research chimps will make their home in North Georgia

How to watch this year's Taurid meteor shower

Oysters can hear — and other strange things you don't know about them

'Zombie ants' lose their bodies, not their brains, to fungus

11 surprising turkey facts

Oh, I know ewe! Sheep surprise scientists with facial recognition skills

Earth's tiniest porpoise approaches extinction

In this photo contest, the bigger the #fail, the bigger the win

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