Map shows how the major continents were arranged 220 million years ago in the Pangea supercontinent. "Isch" and "P" mark locations with sauropodomorph fossils up to 233 million years old.

Pittsburgh was still part of Pangea when the rise of the dinosaurs took hold during the Triassic period, around 240 million ...

This new map of the megaripples can help predict the impact of future tsunamis, and to better understand the dinosaur extinction event, scientists say.