Researchers proposed new revisions to the dinosaur family tree. Photo by Daniel Parks/flickr/CC BY-NC 2.0 IRA FLATOW: Now it’s time to play Good Thing, Bad Thing. Because every story has a flip side, ...

The standard dinosaur family tree may soon be just a relic. After examining more than 400 anatomical traits, scientists have proposed a radical reshuffling of the major dinosaur groups. The rewrite, ...

The longstanding division of dinosaurs into 'bird-hipped' species including Stegosaurus and their 'lizard-hipped' counterparts such as Brachiosaurus and Tyrannosaurus rex may no longer be valid, a ...

WASHINGTON (AP) — Tyrannosaurus Rex and his buddies could be on the move as a new study proposes a massive shake-up of the dinosaur family tree. Scientists who took a deeper look at dinosaur fossils ...

A good way to get paleontologists stirred up? Talk about rearranging the 130-year-old dinosaur family tree. A new paper in Nature by scientists at University of Cambridge and the Natural History ...

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