Earth Matters

Rare seahorses discovered in the River Thames

22 things you didn't know about hedgehogs

Zoo flips script, puts humans in a cage for lions

These comedy wildlife photo finalists will make you belly laugh

Prehistoric shark with the head of a toothy snake found swimming off coast

This creature is so terrifying it was named after America's goriest act of revenge

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