Some animals truly transform as they age. Discover 10 baby animals that look nothing like themselves once grown.

They're wild animals with sharp teeth. And touching, feeding or disturb marine mammals can result in hefty fines or jail time ...

The material on the covers of books from a French abbey was too hairy to have come from calves or other local mammals.

A scientific analysis of dozens of 12th- and 13th-century books found in European monasteries reveals they were bound in ...