The Utah species is proving crucial for determining patterns of duck-billed dinosaur evolution.
Bob Bakker, curator of the duck-billed dinosaur mummy, tells us about this species.
Safety concerns prevent the public from seeing one of the largest of dinosaur bones.
Posted by Jennifer Viegas Tue Nov 10, 2009 07:00 PM ET | 0
Think of a dinosaur and what may come to mind is a large, lumbering animal with four legs, a long neck, a tiny head and tail. Now a new species helps to explain how this iconic dino body shape evolved. Read more
Posted by Jennifer Viegas Mon Nov 02, 2009 08:17 AM ET | 0
A battle that happened during the Late Cretaceous reveals just how fierce T. rex really was. Read more
Posted by Jennifer Viegas Tue Oct 20, 2009 03:05 PM ET | 0
Though only as big as a squirrel, Fruitadens haagarorum -- a recently identified dinosaur from Colorado -- coexisted with enormous other species. Read more
Posted by Michael Reilly Mon Oct 19, 2009 06:23 AM ET | 0
An impact crater in India suggests a meteor strike there may have killed off the dinosaurs. Read more
Posted Thu Oct 15, 2009 03:12 PM ET | 0
Find out what keeps one of the world's most famous paleontologists digging for dinosaurs. Discovery News' Kasey-Dee Gardner talks with Jack Horner. Watch video
Posted Wed Oct 14, 2009 09:50 AM ET | 0
A vast collection of broken dinosaur bones unearthed in southeast Utah indicates they were smashed underfoot by other dinosaurs shortly after they died, according to paleontologists. Read more
Posted by Jennifer Viegas Tue Oct 13, 2009 04:00 PM ET | 0
An international team of researchers has just identified a new dinosaur-eating pterosaur that soared through the Jurassic skies 160 million years ago, according to a study released this week. Read more
Posted Tue Oct 06, 2009 02:25 PM ET | 0
French researchers on Tuesday said they had uncovered the biggest dinosaur footprints in the world, left by giant sauropods that may have weighed 40 tons or more. Read more
Posted Wed Sep 30, 2009 10:43 AM ET | 0
Tyrannosaurus rex and its close relatives suffered from the potentially life-threatening disease trichomonosis, which is still carried by pigeons, a study showed. Read more
Posted Mon Sep 28, 2009 07:31 AM ET | 0
A newly described, profusely feathered dinosaur may give lift to scientists' understanding of bird and flight evolution, researchers report. The new find is important because it undoubtedly includes the oldest known feathers on any creature. Read more
Posted by Jennifer Viegas Fri Sep 25, 2009 06:24 AM ET | 0
Diminutive dinosaurs took refuge underground from dark, cold and huge predators, according to a new study. Read more
Posted by Michael Reilly Wed Sep 23, 2009 02:38 PM ET | 0
A new study shows that in western Europe at least, the effects of a comet smashing into the Yucatan peninsula were far less terrifying there. Read more
Posted by Michael Reilly Mon Sep 21, 2009 01:07 PM ET | 0
Dinosaur hunters have unearthed the jaw of a tyrannosaur only to find a tooth from a fellow tyrannosaur dug into the bone. Read more
Posted Thu Sep 17, 2009 11:45 AM ET | 0
A miniature version of Tyrannosaurus rex is throwing a bone to paleontologists interested in how the king of dinosaurs evolved. The newly discovered species, called Raptorex kriegsteini, lived tens of millions of years before T. rex and shares many... Read more
Posted Tue Sep 15, 2009 12:27 PM ET | 0
Kasey-Dee Gardner gets a behind-the-scenes look at how information is extracted from ancient fossils. Watch video
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