WASHINGTON (Reuters) - One of the traits that helped make the dinosaurs such an evolutionary success story - thriving for 165 million years - was their fast growth rate, from massive meat-eaters like ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: The skeleton of a Tyrannosaurus rex, the large meat-eating dinosaur that lived in western North America WASHINGTON ...

The earliest dinosaurs had rapid growth rates, but so did many of the other animals living alongside them, according to a study published in PLOS ONE by Kristina Curry Rogers of Macalester College, ...

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 ...

Until now, estimating how old a dinosaur was when it died has been a fairly simple process: Count up the growth rings in the fossilized bones. But... Searching for dinosaur secrets in crocodile bones ...

WASHINGTON, Feb 23 (Reuters) - The dinosaur group called theropods included the largest land meat-eaters ever on Earth - up to the size of a school bus. But there also were theropods the size of a ...

Until now, estimating how old a dinosaur was when it died has been a fairly simple process — just count up the growth rings in its fossilized bones. "We always thought that those rings were formed ...