A 67-million-year-old T. rex fossil found on a South Dakota cattle ranch nicknamed 'Gus' could sell for up to $30 million at auction in New York.
T. rex took 40 years to reach full size, scientists find Hidden growth rings in fossil bones reveal that T. rex likely grew for 40 years, and some famous “T. rex” fossils may belong to entirely ...
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T rex may have taken 40 years to become a giant
Tyrannosaurus rex is usually imagined as a fully formed giant: massive skull, crushing bite, and a body built for dominance. But new fossil analysis suggests the path to that size may have been longer ...
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T rex fossil discovery rewrites dinosaur history and reveals how long they really lived
A groundbreaking study of Tyrannosaurus rex fossils has rewritten what humans know about these prehistoric predators and how long they lived millions of years ago. A study by three US researchers ...
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