Since its inception on April 29, 1999, NASA's Earth Observatory (EO) has published over 18,000 image-driven stories, ...

Hurricane Helene sent gravity waves rippling through the atmosphere far above the southeastern United States, new NASA images ...

Geologic mapping has been one of the most fundamental mandates of the U.S. Geological Survey (USGS) since its establishment ...

A massive ice sheet once covered much of Canada and the northern U.S., causing land shifts as it melted. New research shows ...