New research suggests climate change in the past might have helped dinosaurs spread across the world. And modern climate change is revealing some of the things they left behind.

We are approaching a whole new era! . . .or at least a new epoch. Michael Aranda explains how humans are leaving their mark on the Geologic Time Scale.

Journey through the Paleozoic era, a transformative period in Earth's history marked by the emergence of complex life and culminating in the largest mass extinction ever. Learn about the rise of diverse life forms, from the Cambrian...

Three hundred million years ago, the largest insect ever known to humankind hunted in fern jungles and boasted an enormous wingspan of nearly 2.5 feet. Different from modern dragonflies in its size and other attributes, the Meganeura...

This video is a lesson on paleontology and the study of fossils. It discusses how fossils are formed, the fossil record, and the information scientists can gather from studying fossils. The video also explores the different eras of...