Dinosaurs are famous for being big, from the towering Tyrannosaurus rex to the colossal Apatosaurus. But a new study ...

Scientists have made a surprising discovery in a 125-million-year-old dinosaur fossil unearthed in China, potentially revealing a previously unknown anatomical feature in these ancient animals. The ...

Argentinian researchers have described a Carnian theropod with features previously thought to belong only to much later neotheropods, indicating greater early dinosaur diversity than expected as well ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The earliest feathered dinosaurs may have evolved their bird-like ...

Every empire has a humble beginning, and none more humble than this one. Long before Tyrannosaurus rex crushed bones between ...

Dinosaurs conquered the land at enormous sizes, but strangely, they almost never evolved into truly tiny animals. New research suggests that physiology alone can’t explain this missing miniature end ...

By Will Dunham July 23 (Reuters) - Snakes first appeared during the age of dinosaurs, but fossils of many early species are so fragmentary that scientists have had difficulty deciphering their ...

The smallest known non-bird dinosaurs were far larger than the tiniest mammals, birds, and reptiles alive today. Energy-based ...

Fossils discovered on the shores of Lake Kariba have been identified as a previously unknown dinosaur species that roamed Zimbabwe about 210 million years ago ...