Roughly 190 million years ago, long before ice sheets blanketed the southernmost continent, a massive plant-eating dinosaur lumbered through what is now Antarctica. Its fossilized remains, buried deep ...
Did mammoths, sabre-tooth tigers and other Ice Age megafauna face a similar, impact-induced fate to the dinosaurs? That’s ...
The recently acquired skull of the dome-headed dinosaur Pachycephalosaurus. USNM PAL 803273, Department of Paleobiology, Smithsonian Institution. Gift of Eric and Wendy Schmidt. Photo by James D.