A team of Spanish scientists says it's demolished the main evidence that dinosaurs were cold-blooded.
Scientists have developed a new laser technique to measure the weight and size of dinosaurs - and found they were much lighter than previously thought.
The evolution of birds is the result of a drastic change in how dinosaurs developed, Harvard scientists say.
Living bacteria have been discovered deep beneath the ocean where they've had no new food or oxygen since dinosaurs roamed the earth.
Warner Bros. has picked up a pitch for a new film about dinosaurs attacking a major city.
British scientists have calculated that the amount of methane produced by farting dinosaurs would have affected the planet's atmosphere - and noticeably warmed the climate.
Many dinosaur species were already on their way out before the asteroid strike that's believed to have led to their mass extinction.
Creatures like fleas - but ten times bigger - plagued the dinosaurs with their sharp jaws 165 million years ago.
It was egg-laying that did for the dinosaurs, claims a new report, while viviparous mammals thrived.
For years, scientists have puzzled over the skeleton of a pregnant ichthyosaur which, while in good condition itself, was surrounded by the scattered bones of its unborn offspring.
Researchers at Drexel University are using 3D modeling and 3D printing to test hypotheses about how dinosaurs and other prehistoric animals moved and lived in their environments.
The asteroid widely believed to be responsible for the demise of the dinosaurs probably couldn't have been, observations from NASA's Wide-field Infrared Survey Explorer (WISE) telescope show.
Paleontologists used to believe Tyrannosaurus Rex was a monstrous and slow scavenger. But now a Canadian researcher has hypothesized that the dinosaur was actually a very fast and efficient killing machine.
A newly discovered dinosaur species with the most dramatic frill round its head ever found has been dubbed Mojoceratops.
Named for the author of Moby Dick, a newly-discovered fossil whale makes Captain Ahab's nemesis look like a shrimp.
A major international study has found overwhelming evidence that a massive asteroid impact in did indeed wipe out the dinosaurs 65 million years ago.
A new study turns perceived wisdom on its head, concluding that some dinosaurs may actually have descended from birds.