Fossils of the T. rex are increasingly becoming unavailable for research because of private collections, scientists warn in ...

In its 4.5 billion year history, Earth has undergone five mass extinctions and we are potentially in a sixth era of mass death. Today’s crocodylians are the surviving members of a lineage called ...

Scientists have discovered two new feathered dinosaur species in northeastern China, hidden in 125-million-year-old fossils.

"There has been a bewildering array of different ecological roles for crocodylomorphs, from terrestrial herbivores and ...

A Tyrannosaurus rex researcher has found that there are now more scientifically valuable T. rex specimens in private or ...

For years, a mysterious fossil specimen defied categorization, until one paleontologist made a surprising discovery.