What fruit flies can tell us about human emotion

If animal testing doesn't translate to humans, should we keep doing it the same way?

Newborn mountain lion is the poster kitten for wildlife corridors

It's raining cheetah babies at the Smithsonian

This rare wild dog species hasn't been photographed in more than 50 years

Villagers rescue 11 elephants in Cambodia

Why did the human help the frog cross the road?

14 sleepy baby animals to sharpen your mind

Some rare good news for elephants: The price of ivory is plummeting

These tiny fish use their venom to kill ... pain

Are these massive tunnels in South America the work of giant sloths?

There's a great story behind this cute face