Oviraptorosaurs are weird dinosaurs, which look a bit like flightless birds. But these ancient animals aren't just funny ...

Fossils of alvarezsaurid dinosaurs show bird-like air sacs in their bones. Scans revealed hollow spaces connected to their ...

No one had ever found a preserved keratin sheath from such a large theropod dinosaur before, Kobayashi says. The fact that the reptiles came in two- and three-clawed forms, similar to sloths ...

New dinosaur fossil tracks on the Isle of Skye reveal that the once-balmy environment was home to both fierce theropods and massive sauropods.

Illustration: Courtesy of the Institute of Vertebrate Paleontology and Paleoanthropology at the Chinese Academy of Sciences A new study on two theropod ... within one dinosaur family for the ...