T. Rex Babies Were No Bigger Than House Cats—But Already Deadly
Paleontologists know very little about Tyrannosaurus rex babies. Given how long these iconic carnivores have loomed over the…
Gus the T. rex roars into the record books after securing unprecedented auction bid
One of the most complete and well-preserved specimens of T. rex ever found became the most expensive dinosaur…
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…
Scientists Finally Think They Know Why T. rex Had Tiny Arms
T. rex’s famously tiny arms may have been the result of one terrifying evolutionary upgrade: an enormous skull…
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…
T. Rex Could Run Faster Than Usain Bolt, on Its Toes
Tyrannosaurus rex may loom large in our collective imagination, but new research suggests the creature moved more…
Nanotyrannus Represents Distinct Species of Tyrannosaurid Dinosaur, New Research Confirms
Nanotyrannus lancensis — long thought by many to be a teenage Tyrannosaurus rex — was in fact a…
Scientists Make Major T. Rex Discovery, Rewriting History of the Most Intriguing Dinosaur
For years, the “dueling dinosaurs” in a North Carolina museum were believed to be a Triceratops and Tyrannosaurus…
Dinosaur hemoglobin may have been discovered in fossils
Key Insights Using a spectroscopy technique on dinosaur fossils has revealed the presence of hemoglobin in blood…
Blood Vessels Found in T. rex Bones Rewrite What We Know About Dinosaurs
Dinosaur DNA remains out of reach, so scientists hunt rarer clues: soft tissues entombed in bone. Using synchrotron…