Saint Louis University’s Department of Earth and Atmospheric Sciences offers undergraduate and graduate courses covering topics ranging from oceanography to geomorphology to cloud physics. This course ...

Researchers have discovered chemical fingerprints of Earth's earliest incarnation, preserved in ancient mantle rocks. A unique imbalance in potassium isotopes points to remnants of “proto Earth” ...

New research reveals that Earth’s solid inner core is actually in a superionic state, where carbon atoms flow freely through a solid iron lattice. This unusual behavior makes the core soft, matching ...

Sarah Scoles is a freelance science journalist based in Denver, a contributing writer at Wired, and a contributing editor at Popular Science. This story originally featured on Undark. In September ...

A new study reveals that tiny fragments of Earth's atmosphere are transported to and absorbed by the moon via gusts of solar ...

The moon's orbit around Earth appears so regular that civilizations have based the month on lunar motion for thousands of years. However, the moon is actually creeping slowly away from Earth. So will ...

Growing up on the fertile farmland of central Illinois three hours south of Chicago, Hallie Adams and her siblings spent long summer days exploring the nearby woods and playing in the creek that ...

NASA Earth Science Communications announced closure of The Earth Observer in December 2025. It preserves archives that document nearly 37 years of EOS missions and satellite data.

New standards will improve education in Earth sciences, including climate change, says Paul Ruscher. This 2013 photo shows the Colstrip Steam Electric Station, a coal-burning power plant in Montana.