Researchers suggest that ground-based mammals fared better than their arboreal relatives during the end-Cretaceous extinction ...

Researchers at the University of Bristol have discovered that mammals began adapting to terrestrial lifestyles millions of ...

Read about the Jurassic extinction event that wiped out many species at the beginning of this Period and led to the rise of the dinosaurs.

The Mesozoic Era extinctions formed the world as we know it today. Read about what caused them and which animals survived.

Learn more about the mammalian transition from arboreal to terrestrial life, which began millions of years before the arrival ...

Professor Janis said, "The vegetational habitat was more important for the course of Cretaceous mammalian evolution than any ...

The findings suggest that mammals were adapting to terrestrial life well before the end of the Cretaceous period. The team discovered ... the spread of flowering plants, known as angiosperms ...

A new dinosaur species, Duonychus tsogtbaatari, was discovered in Mongolia's Gobi Desert. This therizinosaurs member featured unique two-fingered hands with large claws, unlike others in its group.

Even among the strangest-looking dinosaurs, few are as odd as the newly discovered Duonychus tsogtbaatari. Unearthed in ...

With two-fingered hands and long "nasty" claws, the Duonychus tsogtbaatari is certainly a strange sight. Fossils of this ...

A new museum at Rowan University in southern New Jersey—an area of considerable paleontological significance—offers a ...