A fearsome 20-tonne cross between a T-rex, a crocodile and a whale has been identified, with scientists describing it as like "an alien from outer space". The 50-foot-long dinosaur had sharp, slanted ...
Paleontologists have uncovered a never-before-seen tyrannosaur species in North America that has been masquerading as a Tyrannosaurus rex for decades. The newly identified species is the closest known ...
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