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Phys.org

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Were there tiny dinosaurs? New study explores one of evolution's biggest mysteries

Dinosaurs are famous for being big, from the towering Tyrannosaurus rex to the colossal Apatosaurus. But a new study published today in the journal Evolution by scientists at the American Museum of Natural History and Princeton University suggests that one of the greatest mysteries of dinosaur evolution isn't how some species became giantsit's why even the smallest dinosaurs never became truly tiny.

5 Aug 2026 7:30 pm