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

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...

Around 600 million years ago, Earth was home to strange, soft-bodied sea creatures, but a powerful asteroid impact in what is ...

The explosion released elements heavier than iron—like gold and platinum—through a process known as rapid neutron capture ...

However, many years ago, the Earth looked very different to how it does today. Around 250 million years ago ... used to be connected is visible on a map of the world. Look at the map.

Everest, about 60 million years ago, was the rapid movement of India northward toward the continent of EuroAsia; Click here for a present-day map of the ... look beneath the Earth's surface.

Learn about the time period that took place 65 to 23 million years ago. 3 min read At the dawn ... conspicuously absent from the face of the Earth. Rodent-size (and perhaps larger) mammals emerged ...

A crater at the edge of the Yucatán peninsula in Mexico was created by a massive asteroid that hit Earth 66 million years ago At the end of the Cretaceous Period 66 million years ago, an ...