I magine a world where furry mammals scuttle under the feet of gigantic dinosaurs, not yet destined to rule the Earth. It’s a mind-bending thought: the creatures we call mammals, including ...

A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding ...

A new mammal species discovered in Mongolia reveals surprising insights into ancient inland ecosystems and the dietary habits ...

When we think of the age of dinosaurs, we often picture huge reptiles like Tyrannosaurus rex or long-necked dinosaurs ...

In this way, the age of dinosaurs never fully ended—it simply took to the skies. The end-Cretaceous extinction created space ...

A fossil discovery in China shows a complex prehistoric food chain from 125 million years ago. The fossilised remains of ...

In the middle of Mongolia’s vast Gobi Desert, a team of scientists has made an exciting discovery: the fossil of a ...

Dinosaurs weren't in decline when an asteroid smashed into ... "If it weren't for that asteroid, they might still share this planet with mammals, lizards, and their surviving descendants: birds." ...