New species of Allosaurus discovered in Utah

January 22, 2020

A remarkable new species of meat-eating dinosaur has been unveiled at the Natural History Museum of Utah. Paleontologists unearthed the first specimen in early 1990s in Dinosaur National Monument in northeastern Utah. The huge carnivore inhabited the flood plains of western North America during the Late Jurassic Period, between 157-152 million years ago, making it […]



Newly Discovered Armored Dinosaur From Utah Reveals Intriguing Family History

July 20, 2018

Fossils of a new genus and species of an ankylosaurid dinosaur—Akainacephalus johnsoni—have been unearthed in the Kaiparowits Formation of Grand Staircase-Escalante National Monument (GSENM), and are revealing new details about the diversity and evolution of this group of armored dinosaurs.  Expected to look like other North American Late Cretaceous ankylosaurid dinosaurs with smooth bony armor […]



Newly discovered tyrannosaur fossil represents the most complete found in the Southwestern U.S.

October 19, 2017

A remarkable new fossilized skeleton of a tyrannosaur discovered in the Bureau of Land Management’s Grand Staircase-Escalante National Monument (GSENM) in southern Utah was airlifted by helicopter Sunday, Oct. 15, from a remote field site, and delivered to the Natural History Museum of Utah where it will be uncovered, prepared and studied. The fossil is […]



Why big dinosaurs steered clear of the tropics

June 15, 2015

For more than 30 million years after dinosaurs first appeared, they remained inexplicably rare near the equator, where only a few small-bodied meat-eating dinosaurs eked out a living. The age-long absence of big plant-eaters at low latitudes is one of the great, unanswered questions about the rise of the dinosaurs. And now the mystery has […]