Researchers uncovered blood vessels in Scotty, the largest T. rex fossil. High-powered x-rays revealed mineralized tissues that deepen our understanding of dinosaur biology. Although much of modern ...

Tyrannosaurus rex is still the biggest, baddest land predator of all time. It was the size of a city bus, with a head almost as long as Tom Cruise is tall and a smile every bit as devastating.

“Of the giant carnivore dinosaurs, T. rex is the one we know the most about because it has a pretty good fossil record,” Rowe says. There are many complete skulls which have already been scanned and ...

STAN the T. rex, named after the paleontologist who first discovered his bones, walked the Earth some 67 million years ago. Now his skeleton will be displayed at Christie's in New York prior to ...