'Pretty cool': US kids discover remains of adolescent Tyrannosaurus 'Teen Rex'

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Scientists and filmmakers announced Tuesday that brothers Liam and Jessin Fisher, age seven and 10 at the time of the find, and their nine-year-old cousin Kaiden Madsen, were walking in the Hell Creek formation of the Badlands in July 2022 when they found a large fossilized leg bone...

Three pre-teen dinosaur aficionados have the answer of a lifetime: they discovered the remains of a rare juvenile Tyrannosaurus rex in the North Dakota dirt...

When Lyson eventually arrived at the site, he brushed off a tooth and quickly realized the enormity of what the fossil hunters uncovered: an "extremely rare" juvenile T-Rex specimen that lived 67 million years ago -- and could offer critical clues about how the king of dinosaurs grew up...

Rather remarkably, the saga is only emerging now, after a documentary crew and renowned scientists coordinated in secret over nearly two years with top natural history museums to present the kids' discovery...

"It's remarkable to consider how T. rex might have grown from a kitten-sized hatchling into the 40-foot, 8,000-pound adult predator we are familiar with," Thomas Holtz, a vertebrate paleontologist from the University of Maryland and a renowned T-Rex authority, said in the statement...