With eight billion people, we use a lot of the Earth's resources in ways that are likely unsustainable. Klaus Hubacek, ...

This study presents the first physical evidence that Snowball Earth reached the heart of continents at the equator.' ...

Geologists found evidence in the way enigmatic sandstones called Tava formed in the Rocky Mountains hundreds of millions of ...

We have an extremely incomplete picture of what these snowball periods looked like, and Antarctic terrain provides different ...