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. Content ...

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” ...

Earth researchers have spent generations decoding the Grand Canyon, turning its cliffs and chasms into one of the clearest records of our planet’s deep past. These nine Grand Canyon facts, grounded in ...

The Earth’s climate is a dynamic entity, continuously evolving over billions of years with alternating periods of extreme heat and cold. Recent scientific studies indicate that the Earth is subtly ...