Dawn of the Dinosaurs

Paleontologists probe the majestic reptiles’ origin and rise

By Alexandra Witze, 10:40 AM May 5, 2011

Any 10-year-old knows how the dinosaurs met their end: A huge meteorite slammed into Mexico’s Yucatán Peninsula 65 million years ago, blasting the planet beyond anything imagined by Bruce Willis in Armageddon.

But neither kids nor Hollywood have spent much time thinking about how dinosaurs appeared in the first place. “We know a heck of a lot more about the extinction of dinosaurs than their origins,” says Randall Irmis, a paleontologist at the Utah Museum of Natural History and the Univers...

Source URL: https://www.sciencenews.org/article/dawn-dinosaurs?mode=magazine&context=734