WASHINGTON -- Tyrannosaurus Rex and his buddies could be on the move as a new study proposes a massive shake-up of the dinosaur family tree. Scientists who took a deeper look at dinosaur fossils ...

Bicharracosaurus dionidei, a newly discovered long-necked dinosaur species, is reshaping how scientists understand the ...

New research indicates dinosaurs may have originated between 250 and 240 million years ago—around 10 million years earlier than the oldest confirmed fossils suggest. This shift moves their emergence ...

Scientists have discovered a new species of dinosaur - in the collection of a Mongolian museum - that they say "rewrites" the evolutionary history of tyrannosaurs. Researchers concluded that two 86 ...

“Terrible Lizards”—That’s the literal translation of the term Dinosauria, coined by Sir Richard Owen in the 19th century to describe the colossal bones early paleontologists were unearthing. For a ...

In “The Story of Birds,” the familiar creatures in our skies and backyards are reintroduced as the last surviving dinosaurs.

Discoverer of more dinosaur species than any other living scientist, Xu Xing says some dinosaurs have birdlike traits, including feathers. Stefen Chow In a pine forest in rural northeastern China, a ...

Exactly how did birds evolve from dinosaurs? It’s a mystery that has been with us for more than 150 years, and ...

SCIENTISTS who took a deeper look at dinosaur fossils have suggested a different evolutionary history for dinosaurs, and hinted at a slightly different origin. Scientists who took a deeper look at ...