In the last ten years, at least 15 species have officially checked out, never to be seen again. It's ironic to think how ...

Ever looked at a children's book on mythical creatures only to realize ... but they're extinct anyway. Leave our daydreams alone. Why it's cool: It's the Shaquille O'Neal of lions.

On a cay in the Great Barrier Reef, a critically endangered sea creature was rescued, allowing her to lay her eggs. Jess Bailey via Unsplash A bird survey in a northern park of Australia turned ...