Sebecids, a crocodile-like beast, reached the Caribbean as recently as 4.5 million years ago — outlasting mainland kin

Fossil of a new mammal species from the Late Cretaceous (100–66 million-year-old) discovered in Mongolia's Gobi desert

Trapped in time: 16-million-year-old amber reveals dirt ants once ruled Caribbean

Ancient DNA from the green Sahara reveals ancestral North African lineage

Analysis of 30 year old humerus bone suggests Australian echidnas evolved from a water-dwelling ancestor, challenging the understanding that the monotreme descended from a land-bound ancestor

More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs

Fossilised footprints from British Columbia, Canada, confirm the presence of ankylosaurid ankylosaurs in the mid-Cretaceous of North America.

The megalodon has long been imagined as an enormous great white shark, but new research suggests that perception is all wrong

A Forgotten Boulder in a School Office Turned Out to Have Dinosaur Footprints from 200 Million Years Ago

Scientist-President Thomas Jefferson discovered large bones that were initially thought to be from a large cat-like predator, but it was later determined to be from a giant sloth