A high school teacher first spotted the remarkable trail while volunteering on a paleontological dig. Researchers suspect a hulking, full-grown dinosaur marched through the then-swampy landscape ...
“My first reaction was total disbelief,” said Kent Hups, who discovered the footprint path.
A new analysis of tooth enamel offers a direct estimate and fresh insight into how the dinosaur survived across North America ...
In 2025, Kent Hups discovered unusual impressions in North Dakota's Hell Creek Formation believed to be T. rex footprints.
A tooth analysis hints that the fearsome predator ran at a toasty 97 degrees Fahrenheit. Maintaining that internal temperature may have allowed it to inhabit a range stretching from modern-day Alaska ...
Paleontologists have identified the first known trackway made by a full-grown Tyrannosaurus rex, and the discovery was made in the North Dakota badlands.
Two dinosaurs fossilized in combat, originally thought to involve a juvenile Tyrannosaurus rex testing its mettle against a Triceratops, actually feature a separate species frequently confused with ...
A remarkably preserved T. rex nicknamed “Rex Junior” could reveal new clues about what the famous dinosaur actually looked ...
A team of paleontologists have uncovered four three-toed footprints left behind by an adult T. rex in the Hell Creek Formation of southwestern North Dakota. While isolated footprints from the apex ...
A group of researchers has estimated how long it took Tyrannosaurus rex to reach its full size — and the time period is significantly longer than scientists previously believed. The dinosaur is ...
WASHINGTON, Aug 15 (Reuters) - Tyrannosaurus subdued prey with raw power, using bone-crushing bite force. But other meat-eating dinosaurs that rivaled T. rex in size used different approaches.
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