A 230 million-year-old, never-before-seen raptor unearthed in the U.S. is the oldest dinosaur ever discovered in North America — and one of the earliest to ever emerge on our planet.
The mini dino, which was about the size of a chicken, was likely a distant ancestor of the largest creatures to ever walk Earth. Its discovery has shocked paleontologists, who previously assumed that no dinosaurs existed in the Northern Hemisphere at this time.
