Everything has its pecking order, and geology is no exception. The cocks of the rocks are the big, swaggering periods of the past that fill books, television programmes and natural-history museums.

Humanity’s influence on the moon is so great that we should define a new geological epoch, just as we are doing on Earth with the creation of the Anthropocene, researchers argue. We should also create ...

The Triassic period stands out in Earth’s history as the time when dinosaurs first evolved. It was followed by the Jurassic and Cretaceous periods – at the end of the latter, the dinosaurs were wiped ...

3. 25 Facts About Geologic Time That Made Our Brains Hurt 4. How Do We Know? A Glimpse into Geologic Sleuthing 5. Our Fleeting Moment in Deep Time 6. Frequently Asked Questions What if we told you ...

A group of scientists has chosen a small lake near the U.S.-Canada border as the site that best represents the Anthropocene Epoch—a proposed period of geologic time marked by humans’ drastic impact on ...