Scientists at the American Museum of Natural History investigated old specimens that had been at the museum for decades and ...

More mammals were living on the ground several million years before the mass extinction event that wiped out the dinosaurs, new research has revealed. More mammals were living on the ground several ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW YORK (AP) — An unusual find in China ...

If you want to get by in this world, you could do a lot worse than developing a predilection for ants. In fact, ant-eating may be a dramatically overlooked recipe for success. According to new ...

Fossils from a newly discovered species of mammal in Colorado may offer clues into how life rebounded after Earth’s last mass extinction that killed off the dinosaurs, researchers say. The new species ...

Researchers suggest that ground-based mammals fared better than their arboreal relatives during the end-Cretaceous extinction thanks to their lifestyle. Reading time 2 minutes The end-Cretaceous ...

A microbiologist named João Pedro de Magalhães has proposed the idea that the reign of dinosaurs forced mammals to speed up their reproductive cycle, eliminating key longevity genes. de Magalhães ...

WASHINGTON -- New research pinpoints how the torch passed from one dominant creature on Earth to another, from the brutish dinosaur to the crafty mammal. Two studies published Thursday in the journal ...

NEW YORK — An unusual find in China suggests some early mammals may have hunted dinosaurs for dinner. The fossil shows a badgerlike creature chomping down on a small, beaked dinosaur, their skeletons ...