It was preliminarily believed that a 9-ton megablock, which was originally found at Arches National Park in 2001, contained the bones of at least one Utahraptor, 10 juveniles and three babies.

The massive block of sandstone, mudstone and fossils is 136,000,000-years old and was originally believed to contain the remains of at least one adult Utahraptor, ten juveniles and three babies.

In the year since Utah’s most spectacular dinosaur fossil block, the 18,000-pound Utahraptor megablock, was moved to a fossil preparation lab at the Utah Geological Survey (UGS) many new ...

The premaxilla (the front of the upper jaw) of a baby Utahraptor is about the size of a penny, for example. The big bones, too, bring surprises. Adult Utahraptors were not 20-foot-long versions of ...

The scientists first thought they might find one adult Utahraptor, 10 juveniles and three babies in what's been dubbed the Utahraptor megablock. But after poring over the rock for six years, ...

After over 15 years of excavation and transportation, a massive block containing the remains of an entire pack of Utahraptors hit a snag.

It holds at least a dozen adult and baby specimens of Utahraptor, the charismatic predator that became Utah’s official state dinosaur in 2018.

How an Evolutionary Arms Race Created Bizarre Dino Designs. Special | 5m 32s Video has Closed Captions | CC. It’s attack vs defense on an epic evolutionary scale. Utahraptor was the largest ...

One dromaeosaur - Utahraptor - stood taller than all the rest, to the point where it could quite comfortably fit an animal the size of Velociraptor in its mouth. While other genera, such as ...

A team with the Utah Geological Survey (UGS) removed the plaster from the Utahraptor mega-blockon Wednesday. VIDEO: Utahraptor mega-block arrives safely in Salt Lake City from Thanksgiving Point ...

Utah lawmakers are considering creating a new state park in celebration of a spectacular find of dinosaur bones. The proposal for Utahraptor State Park, approved by the state House last week and now ...