Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. The vascular plant emerged around 400 million years ago and started Earth's ...

Climate change may seem a uniquely 21st-century concern, but people have been wrestling with the idea for a long time.

Millenia ago, ancient farmers cleared land to plant wheat and maize, potatoes and squash. They flooded fields to grow rice. They began to raise livestock. And unknowingly, they may have been ...

Geoscientists employed current-day stratigraphic, depositional and paleontological models, along with modern technological muscle to provide updated insights of the Cambrian period of the Grand Canyon ...

Menu Local Geology History, Resources, and Facilities Geologic History of Southwestern Ohio At the Limper Geology Museum, you will be able to explore a large collection of local rock, mineral, and ...

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 ...

Utah State University geologist Carol Dehler samples the 500-million-year-old Bright Angel Formation in Grand Canyon. The site is among several formations in a group of rocks she and colleagues are ...