Meet animals that grow for a lifetime, sometimes for centuries, and discover why dinosaurs did not, despite their huge size.

The Godzilla snapping turtle lives up to its name in this epic underwater showdown. When a crab wanders too close, the ...

Bite force, a measure of the strength of an animal's bite, helps researchers understand a species' role in the ecosystem.

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