T. rex evolved in North America from Asian ancestors. Climate shifts and extinction events helped tyrannosaurids and ...

Accordingly, the LEGO Dinosaur Fossils: Tyrannosaurus Rex set is more accurate than fanciful. It retains the T-Rex's horizontal positioning, based on the most recent scientific conclusions.

DENVER (KDVR) — Details about a juvenile Tyrannosaurus rex fossil discovered by three boys in North Dakota are beginning to take shape at the Denver Museum of Nature and Science, including its ...