In 2025, Colorado teacher Kent Hups found unusually large three-toed impressions in North Dakota's Hell Creek Formation. Excavation revealed four connected foo…
A large theropod, most likely an adult Tyrannosaurus rex, walked across soft sediment in what is now southwestern North Dakota, leaving four footprints later buried, pre…
Kent Hups, a Colorado high-school teacher volunteering on a fossil dig in the Hell Creek Formation, noticed an unusually large, three-toed impression in the rock and bro…
Excavation revealed the strange shape was one of four connected three-toed footprints, forming a walking sequence roughly 7 metres (23 feet) long, with each print about…
Researchers documented the trackway using detailed measurements and high-resolution 3D surface scanning, producing digital models examined without repeatedly disturbing…
"A large tridactyl trackway from the Upper Cretaceous Hell Creek Formation of North Dakota, likely attributable to an adult Tyrannosaurus rex" was published, formally de…
Three of the four footprints are due to be airlifted out by helicopter this autumn and taken to the Denver Museum of Nature & Science for preparation and further researc…
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