Researchers have discovered preserved blood vessels in the remains of a Tyrannosaurus rex. Despite decades of searching, ...

Dinosaur DNA may still be out of reach, but scientists are uncovering something almost as exciting—ancient blood vessels ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: A girl looks at the skull of Tyrannosaurus rex "Tristan Otto," one of the most complete specimens worldwide, during ...

Billions of Tyrannosaurus rex roamed North America during their fascinating reign as top predators, according to a team of researchers that went about the daunting task of making the calculation.

Now, scientists are asking a new question: could they have been smarter than we think? Researchers are studying modern birds ...

Forget the earth-shaking stomps! New research reveals Tyrannosaurus rex likely walked with a bird-like, controlled stride, ...

While hiking through the fossil-rich terrain of North Dakota, three children made a discovery that paleontologists are calling one of the rarest in recent memory — the skeleton of an adolescent ...

A group of researchers has estimated how long it took tyrannosaurus rex to reach its full size — and the time period is significantly longer than scientists previously believed. The dinosaur is ...

Ever since the release of the blockbuster Jurassic Park, the Tyrannosaurus rex has been associated with ground shaking tremors as it moved. But infact, rather than stomping heel-first, the prehistoric ...

Nanotyrannus, once dismissed as just a teenage T. rex, appears to have been its own distinct species after all. Scientists ...

Add Yahoo as a preferred source to see more of our stories on Google. For over four decades, paleontologists have been arguing about a small dinosaur skull found in Montana. Several Tyrannosaurus rex ...

WASHINGTON, Jan 15 (Reuters) - There is no question that Tyrannosaurus rex got big. In fact, this fearsome dinosaur may have been Earth's most massive land predator of all time. But the question of ...