Teamwork helps fire ants reproduce, take down prey, and strip bones clean.

A rhino attacks a group of people.

A mother gray whale and her calf are on their migration path through Monterey Bay. But first they must get past a pack of killer whales.

Twins? Triplets? A spiny lobster mom sends out some 700,000 larvae! Alas, only three percent will survive.

Was this Swiss bird-watcher killed and eaten by a group of Komodo dragons?

Join biologist Zeb Hogan of the National Geographic Society's Megafishes Project as he explores the threats facing the giant Chinese sturgeon and the efforts underway to sa...

Tundra swans make a 4,000 mile migration every year. Only the strong will make the long journey.

The Southeastern Arizona Bird Observatory is the place to see Sandhill cranes. Some of these great birds have migrated from as far away as Alaska and Siberia.

Brady wants to test the danger of wild hog tusks, but first he has to get the nerve to get close to one.

Don't doze off just yet. Maybe they should be called bed blood bugs, an army of these can attack a person 500 times in one night!