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A 7-Ton T. Rex Left Behind Something Scientists Had Never Seen Before
For more than a century, scientists have pieced together the life of Tyrannosaurus rex from bones, teeth and scattered fossil evidence. Now, researchers in North Dakota have uncovered something far more unusual: a trail that may show exactly how a full-grown T. rex moved across the landscape roughly 66.5 million years ago. The discovery began…
Ancient Dinosaur Discovery Connects Extinction and Environmental Change
When visitors step into the Smithsonian’s National Museum of Natural History this holiday season, they will encounter more than a striking fossil behind glass. They will come face to face with a fragment of deep time, a survivor of processes that shaped Earth long before humans existed. The near-complete skull of a Pachycephalosaurus, a dome-headed…