The Midcontinent Rift is a giant tear that formed in what is now the U.S. Midwest 1.1 billion years ago. Nicknamed North America's "broken heart," it is filled with solidified magma and lava.

“Our research suggests that a giant hot blob of rock from the core-mantle boundary is present beneath East Africa, it is driving the plates apart and propping up the Africa continent so it is hundreds ...

Minor quakes can disrupt natural tectonic patterns deep underground and change stress landscape, new study finds.

GRIT provides a much more detailed look at how rivers merge and split, which could enhance hydrological modeling, flood ...

A team led by researchers at the University of Oxford has created the most complete map of the world's rivers ever made, ...

A powerful solar flare erupted early Tuesday, disrupting radio signals across Earth, said the NOAA Space Weather Prediction ...

NASA scientists rediscovered an abandoned U.S. nuclear base that lies entombed beneath at least 100 feet of ice.