It's a finding that one Tyrannosaurus rex researcher calls "dispiriting and exasperating": More scientifically significant T.

Rich collectors are buying up T. rex fossils, leaving palaeontologists frustrated over lost scientific access.

Scientists have raised concerns about the lack of Tyrannosaurus rex fossils for their research due to wealthy individuals ...

One hundred and fifty million years ago, dinosaurs ruled the land, but the oceans were dominated by a mysterious sea monster. Meet the pliosaur, the Tyrannosaurus rex of the seas! Now, a giant skull ...