Clint Boyd, North Dakota state paleontologist, shows off a mammoth tusk discovered at a coal mine near Beulah in 2023. He presented the discovery during a Nov. 25, 2025, North Dakota Industrial ...
Tyrannosaurus rex may have taken far longer to grow up than scientists once thought. By analyzing growth rings in fossilized leg bones from 17 tyrannosaur specimens and using new statistical methods, ...
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