Mars may once have had a relatively warm and wet climate conducive to flowing water, rain and snow, producing a terrain much ...

Dust-on-snow is a major threat to water in the Colorado River, yet no snowmelt forecasts integrate dust-accelerated melt. Using pioneering remote sensing techniques, new research is the first to ...

Beneath the surface of the Southern Ocean, vast volumes of cold, dense water plunge off the Antarctic continental shelf, cascading down underwater cliffs to the ocean floor thousands of meters below.