The prevailing theory that mammals only flourished after an asteroid strike wiped out the dinosaurs 66 million years ago is doubly wrong.
A rare dinosaur skeleton goes on display at London's Natural History museum -- the first to be exhibited there in a century.
A rare discovery of dinosaur bones in Tanzania has led scientists to identify a new species of long-extinct, leaf-eating dinosau.
A few months ago, Argentine scientists found the remains of a giant dinosaur. Now they look forward to digging up hundreds more fossils, but what they really want is the big one's head.
Paleontologists in Argentina's remote Patagonia region have discovered fossils of what may be the largest dinosaur ever, amid a vast cache of fossils that could shed light on prehistoric life.
Nicknamed the "chicken from hell," a newly identified species of feathered dinosaur as tall as a human roamed North America at least 66 million years ago.
A pint-sized tyrannosaur braved the frigid Arctic and feasted on fellow dinosaurs 70 million years ago, according to a report Wednesday on a new species identified from fossilized skull bones in Alaska.
A new dinosaur species discovered in Portugal dominated the food chain 150 million years ago -- the Tyrannosaurus Rex of its time.
A Malaysian university unveiled on Wednesday what researchers called the first dinosaur fossil ever found in the country -- the tooth of a fish-eating predator estimated to be at least 75 million years old.
Long-necked plant-grazing dinosaurs that roamed the Earth 150 million years ago evolved a nifty way of fixing broken teeth.
Palaeontologists in Utah on Wednesday said they had found the fossil of a strange horned dinosaur which roamed an island continent known as Laramidia.
A broken T. rex tooth found in another dinosaur's tail bone offers the first hard evidence that the king of all meat-eating beasts hunted live prey.
An eccentric Australian mining magnate who is building a replica of the ill-fated Titanic on Saturday unveiled his latest scheme -- a park of giant robotic dinosaurs.
Scientists said Thursday they are a step closer to proving the death blow for dinosaurs 66 million years ago was a gigantic comet or asteroid that struck near Mexico.
A man accused of smuggling 70-million-year-old dinosaur skeletons, including a Tyrannosaur, into the United States pleaded guilty in court Thursday.
A US man accused of smuggling 70 million year old dinosaur skeletons into the United States, including a toothy relative of the bigger Tyrannosaurus rex, was arrested on Wednesday in Florida.
Researchers have identified a species of puny dinosaur so odd looking -- quills like a porcupine, a parrot-like beak and fangs like a vampire -- it probably deserved a small part in "Jurassic Park."
Kostanay biologists have made a sensational finding in Kushmurun coal mine located in Kostanay oblast in the center-north of Kazakhstan.
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