Tyrannosaurus rex Had Mammal-Like Body Temperature, Study Finds
A new analysis of Tyrannosaurus rex teeth indicates the ancient predator maintained a body temperature of about 36.3 degrees…
Exceptionally Preserved Bird Feathers Found in 66-Million-Year-Old Dinosaur Coprolite
Paleontologists in Montana have discovered remarkably preserved feathers of an ancient aquatic bird inside a fossilized dinosaur dropping,…
Paleontologists Discover First-Ever Adult Tyrannosaurus rex Trackway
Paleontologists in North Dakota have unearthed a set of 66.5-million-year-old fossilized footprints that can be confidently attributed to…
Tyrannosaurus rex Scavenged Duck-Billed Dinosaurs in Ancient Wyoming, Bite Marks Reveal
Thousands of fossilized bones from a Cretaceous-period bonebed in Wyoming, the United States, offer rare physical evidence that…
Giant Tyrannosaur Fossil Found in New Mexico
A large tyrannosaurid dinosaur may have stalked the floodplains of what is now New Mexico nearly 74 million…
New Study Confirms Partial Hemoglobin Preservation in Dinosaur Remains
Using a technique called Resonance Raman spectroscopy, paleontologists have detected hemoglobin remnants in bone extracts from two dinosaur…