The fossil of a new two-legged, fox-sized dinosaur relative of both Stegosaurus and Triceratops, which dates back about 200 million years, has been discovered in Venezuela.
Some 70 million years ago, three tyrannosaurs stalked together across a mud flat in Canada, possibly searching for prey.
The fossil of a wild-looking parasite with a tiny head and whose midbody evolution transformed into a sucking plate, has been discovered in what is now northeastern China.
Fossils collected from Montana and Alberta have helped scientists name a new species of horned dinosaur.
Predatory reptiles that trawled the oceans during the age of the dinosaurs used a rowing motion to scoop up prey, new track marks uncovered in China reveal.
In the badlands of southern Saskatchewan, Canada, scientists discovered evidence of a 66-million-year-old forest fire locked in stone.
More than 100 years after dinosaurs were first displayed on the National Mall, T. rex — the king — is joining the Smithsonian collection after a 2,000-mile journey from Montana.