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

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

Sharks, alligators, bears, snakes, mountain lions - find out how widespread America's most feared animals really are.

Find out how ranches help protect the environment by protecting large swaths of it from development and managing indigenous ...

From a "decoy" bill to a statewide election of schoolchildren, this is how the Florida panther became the official state ...

Find out which animals live the longest and what clues this gives us for potentially slowing down human aging.

The fisher, a mink-like mammal, has begun reappearing in Ohio as a natural byproduct of forest conservation practices.

Meet a katydid that sounds like a bird and is as big as one too! It's even able to modulate its call to avoid attracting bats ...

The strange creatures that dwell in the deepest depths of the Earth’s oceans could provide many ideas for a budding science ...

Piping plover populations around the Great Lakes plunged in the 1980s. Conservation efforts have helped the numbers grow to record highs.

Sometimes tourists lose all their survival instincts and approach wild animals. Discover 12 incidents where tourists took it too far.