30

Stories about: Tyrannosaur

How Did the Tiny-Armed T-rex Stand Up? Since its discovery, this beast puzzled the researchers. Tyrannosaurus rex, which lived in western North America 70 to 65 million years ago, till the disappearance of all the dinosaurs, was amongst the largest ever known land predators: the largest females reached 13 m (40 ft) length and 6.8 tons in weight. But when ... 17 April 2007 05:03 GMT