Why do some ancient animals become fossils while others disappear without a trace? A new study reveals that part of the answer lies in the body itself. The research shows that an animal's size and ...

A new study links fossilized flying reptile tracks to animals that made them. Fossilized footprints reveal a 160-million-year-old invasion as pterosaurs came down from the trees and onto the ground.

Learn more about the straight-tusked elephant Palaeoloxodon antiquus, which disappeared from Europe between around 50,000 and 34,000 years ago.