Earth Matters

Ancestor of Galapagos tortoises to be resurrected from extinction

Magnitude-6.1 aftershock rocks Haiti

Deep-sea snail's shell may inspire next generation of armor

Movie trailer: IMAX Hubble 3-D

A hippo in ... Australia?

10 animals with the longest life spans

Energy co-op offers green option

Man eaten by 'dinosaur-sized' shark

In the Green Room: Noreen Clough talks about the wildlife refuge service

Hands and feet of humans evolved simultaneously

5 Democrats who don't get global warming

7 Republicans who really get climate change