Cecil the lion's son killed in trophy hunt

In the fight against HIV, cows emerge as powerful secret weapon

Why aren't the biggest animals also the fastest?

England gets its swans in a row

Glass doors are no match for rogue goat

7 species with 'superpowers' thanks to evolution and invasion

Why would a wild lioness nurse a leopard cub?

Ravens are crazy smart, and here’s scientific proof

Navy divers rescue elephant 9 miles offshore

Why tiny tardigrades are nearly indestructible

These 3 gray wolf pups are cause for celebration (and not just because they're cute)

11 amazing antics of ants