We know dinosaurs were big, but how big were they? And how do we even know? Luckily, paleontologists and other scientists know how to find the answers. By measuring fossils, comparing them to the ...

Dinosaurs were not only the largest animals to roam the Earth - they also had a greater number of larger species compared to all other back-boned animals - scientists suggest in a new paper published ...

The meat-eating dinosaurs known as theropods that roamed the ancient Earth ranged in size from the bus-sized T. rex to the smaller, dog-sized Velociraptor. Scientists puzzling over how such wildly ...

WASHINGTON -- Imagine a vicious velociraptor like those in "Jurassic Park," but only as big as a modern chicken. That's what Canadian researchers say they have found, the smallest meat-eating dinosaur ...

MARTINSVILLE, Va. – A two-day dinosaur extravaganza is returning to Martinsville this weekend. The Virginia Museum of Natural History is hosting its dinosaur festival on July 22 and 23 from 10 a.m. to ...

It's a bird … It's a plane … It's a plane-size bird! If humans had lived 67 million years ago in what is now Texas, they would've had a hard time missing the giant flying pterosaur called ...