A fossil tyrannosaur pulled from the badlands of southern New Mexico has forced paleontologists to rethink when giant predatory dinosaurs first reached extreme body sizes in North America. The ...
WASHINGTON, March 12 (Reuters) - A new analysis of a large shinbone unearthed in a remote spot in northwestern New Mexico in ...
A giant tyrannosaur in the late Cretaceous, 74-75 million years ago. (Chase Stone) A new analysis of a shinbone from the ...