Danger in nature does not always come with a warning. A hippo charging from a quiet river can end a life in seconds, ...

You might believe lions, wolves, or grizzly bears sit comfortably atop the food chain. Yet a growing body of research tells a ...

Every summer, tiger sharks gather at a remote atoll in the Pacific Ocean to hunt fledgling seabirds. New research suggests it ...

A fight between a shark and a piranha is what one would expect to read about in a thriller novel, but not in scientific fact.

Each year on the Serengeti, hundreds of thousands of wildebeest calves are born within weeks. Here's how the young predators ...