Study sheds light on phenomena that have shaped human history Ph.D. student James Gearon Indiana University researchers have ...

Traditionally, eclipse maps have been constructed from the assumption that the Moon is a perfect sphere and that all ...

We know Mars once had an active geological past, filled with water, volcanic activity, and dynamic geological changes. Now, ...

Researchers have uncovered key insights into the dangerous phenomenon of 'river avulsion,' offering a way to predict when and where rivers may suddenly and dramatically change course.

A new study offers the most detailed glimpse yet into how Earth's surface temperature has changed over the past 485 million years. The data show that Earth has been and can be warmer than today -- but ...

A new study co-led by the Smithsonian and the University of Arizona offers the most detailed glimpse yet of how Earth’s ...

At times during the past half-billion years, carbon dioxide warmed our planet more than previously thought, according to a ...