Discover the natural curiosities that have helped us rethink evolution

Two curious bodies and extreme lifestyles may unlock the secrets of the aging process

Take a close-up look at the Narwhal's tusk and find out what it might be used for

Examine brilliant animal patterns that have bedazzled and baffled science

Find out how two very different creatures reproduce by virgin birth

Both the rhino and the hedgehog have formidable armor — but why?

Discover how the owl and the giant squid have adapted to life in the dark

Meet the animals who have mastered the art of deception

The true nature of gorillas and vampire bats are very different than myths would suggest

The abilities of these plants and animals are so remarkable that they seem supernatural

These animals survive conditions so cold, they seem to defy the laws of nature

Discover the fascinating processes behind the building of webs and nests

Meet two unique animals that have swapped their sexual identities

Uncover the mystery of the swallow's epic migration and the butterfly's magical transformation