Tyrannosaurus rex lived longer and took more time to reach its maximum size than previously thought, according to a new study.

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a separate species may finally be settled. When you purchase through links on ...

An extremely rare pregnant Tyrannosaurus Rex dinosaur skeleton first found in Montana has gone on display, but Americans wanting to check it out for themselves might have quite a journey on their ...

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A giant Tyrannosaurus rex skeleton, measuring 38 feet long and 12.8 feet high, fetched CHF 5.5 million (US$6.1 million), with fees, at an auction Tuesday in Zurich. The Swiss auction house Koller had ...