A newly described Patagonian fossil reveals the evolutionary origins and global spread of the tiny alvarezsaur dinosaurs.

A new giant long-necked dinosaur, Dasosaurus tocantinensis, unearthed in Brazil, reveals ancient land connections. Its close evolutionary ties to a Spanish species suggest dinosaurs migrated between ...

Add Yahoo as a preferred source to see more of our stories on Google. 160-million-year-old Anchiornis fossils. (photo credit: TEL AVIV UNIVERSITY) Research on the Anchiornis specimen reveals hidden ...

A nearly complete dinosaur skeleton discovered in Patagonia is helping scientists crack the mystery of alvarezsaurs, a bizarre group of bird-like dinosaurs. The fossil of Alnashetri cerropoliciensis ...

Scientists in eastern Morocco say they’ve uncovered the remains of a dinosaur that roamed the region more than 100 million ...

Add Yahoo as a preferred source to see more of our stories on Google. New dinosaur fossils were discovered at the Dinosaur National Monument, leading to the first excavation there in more than 100 ...

A nearly complete 90-million-year-old dinosaur fossil from Patagonia, Alnashetri, reveals how alvarezsaurs evolved and shrank over time.

Scientists discovered a crocodile relative that is 200 million years old and had two legs. The diversity of reptiles during the Triassic period is shown by this discovery, which is long before ...

A near-complete fossil from Patagonia has finally cracked open the mysterious evolutionary history of one of prehistory's strangest dinosaur groups ...

Paleontologists have often determined how old a dinosaur was by counting the growth rings in its bones. Just like with trees, ...

D analysis of bite marks on a tyrannosaur foot bone shows that smaller tyrannosaurs scavenged carcasses, likely consuming the final remains after most flesh was gone. Tyrannosaurs are usually imagined ...

New dinosaur fossils were discovered at the Dinosaur National Monument, leading to the first excavation there in more than 100 years, officials revealed Friday. The National Park Service said that ...