The 23-foot "megaraptoran" was discovered in the Lago Caolhue Huapi rock formation in Patagonia, Argentina, and is believed to have been an "apex predator" ...

GRAND RAPIDS, MI - The “Tyrannosaurs – Meet the Family” international traveling exhibition is coming to the Grand Rapids ...

A fossil from the blustery plains of Patagonia is revising your book on one of the most elusive bands of hunting dinosaurs.

Speedy megaraptor Joaquinraptor casali had big arms and claws like hedge trimmers that would have made T. rex's forelimbs ...

A 28-centimetre fragment of fossilised jawbone—first unearthed on the Welsh coast in 1899—has now been formally recognised as part of a previously unknown, large-bodied theropod dinosaur. Researchers ...

In a new study, researchers said they uncovered part of a skull as well as arm, leg and tail bones from the Lago Colhué Huapi ...

A massive predator once roamed the Earth, towering over its rivals and casting a long shadow on the ancestors of T. rex. This giant, now known as Ulughbegasaurus, ruled the prehistoric world around 90 ...

Billions of Tyrannosaurus rex roamed North America during their fascinating reign as top predators, according to a team of researchers that went about the daunting task of making the calculation.

Table for one-and-a-half. Scientists have discovered a new “apex predator” dinosaur that appears to have been fossilized right in the middle of eating a crocodile-like creature. The newly found ...

Despite being one of the most well-known and popular dinosaurs, we are still learning things about the Tyrannosaurus rex today. Scientists have recently discovered that T. rex likely originated in ...