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 ...

“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 ...

A small fossil jaw rests in Argentina’s national natural science museum in Buenos Aires. The fossil, only six inches long, carries backward-curving teeth shaped for gripping prey. Paleontologist ...

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

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

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 ...

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 ...

An international team of scientists has created the largest and most detailed bird family tree ever, spanning 93 million years and representing 92% of bird families species, using cutting-edge ...

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 ...