A newly discovered kind of sauropod dinosaur had a neck six times longer than a giraffe's, researchers say.

The idea of a creature like the Loch Ness monster fascinates people. But does the scientific evidence say it’s a prehistoric beast or total fake?

Birds and dinosaurs lived together for millions of years, but only toothless birds survived the asteroid impact that upended life on Earth.

New fossils provide a glimpse into dinosaur and bird diversity in Patagonia during the Late Cretaceous, researchers report.

The discovery of a dinosaur fossil included a rare find: evidence of the last meal it ever ate.