Archaeopteryx forever changed our understanding of dinosaurs and the...
Jurassic period
Researchers said on Monday the fossils represent a dinosaur...
The prehistoric feathers were indistinguishable from those of birds...
After dying, the Saltriovenator's carcass somehow floated into the...
Scientists said they have named the 19-foot-long reptile...
The last known supercontinent had broken up to yield...
