Anyone who has ever wondered what their neck of the woods looked like when even extinct species like dinosaurs roamed the Earth can get a peek with this map.

Dinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 million to 230 million years ago in the Triassic Period, and went ...

Scientists propose Earth ... a million-year stay near dense star nurseries, possibly cooling the planet as Antarctica’s ice grew. Gaia data shows our solar system swung within 65 light-years ...

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 ...

Learn about the time period that took place 251 to 199 million years ago. 3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history. Something—a ...

About 800 million years ago, oxygen levels reached about 21 percent and began to breathe life into more complex organisms. The oxygen-rich ozone layer was also established, shielding the Earth's ...

The end of the Cretaceous Period saw one of the most dramatic mass extinctions Earth ... 175 million years of their existence, dinosaurs took on a huge variety of forms as the environment changed and ...