If you grew up with a love for dinosaurs a couple decades ago, you'll likely be surprised to find that many of these prehistoric beasts don't look the same today as you remember them. How can that be ...

Khankhuuluu mongoliensis lived about 86 million years ago It was the precursor to the lineage called tyrannosaurs It was 13 feet (4 meters) long and 1,600 pounds (750 kg) June 11 (Reuters) - A newly ...

Tyrannosaurus subdued prey with raw power, using bone-crushing bite force. But other meat-eating dinosaurs that rivaled T. rex in size used different approaches. Giganotosaurus relied more on slashing ...