The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be explained by a worsening fossil record from that time rather than a genuine ...

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

A new review of Triassic fossils from Germany reveals rich tetrapod diversity and links to modern biodiversity and climate ...

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

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

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

A newly identified parasitic wasp that buzzed and flew among dinosaurs 99 million years ago evolved a bizarre mechanism, ...

An extinct lineage of parasitic wasps dating from the mid-Cretaceous period and preserved in amber may have used their Venus ...

"Ornithischian" translates as "bird-hipped," and ornithischians encompass some of the most well-known plant-eaters ... represented here during this period of the Cretaceous but fossil records ...

Cerapodans were a group of small, plant-eating dinosaurs that hopped ... Cerapodan dinosaurs thrived during the Cretaceous Period, but their earlier history in the Middle Jurassic has remained ...