The Arctic Ocean increasingly resembles the Atlantic, not only regarding its temperature but also the species that live there.

Often considered desolate, remote, unalterable places, the high seas are, in fact, hotbeds of activity for both people and wildlife. 

When modeling the El Niño-Southern Oscillation (ENSO) ocean-climate cycle, adding satellite sea surface salinity — or saltiness — data significantly improves model accuracy, according to a new NASA study.

Australia’s iconic Great Barrier Reef is experiencing its third coral bleaching event in just five years. 

There may be a hidden cost to urban expansion: more flooding.

Tropical Cyclone Harold brought heavy rains and hurricane-force winds to Vanuatu and was moving toward Fiji when NASA-NOAA’s Suomi NPP satellite provided forecasters with an image of the storm.

Every spring in the Northern Hemisphere, the ocean surface erupts in a massive bloom of phytoplankton.

Twin satellites are assessing the state of soil moisture and groundwater on the continent and around the world.

Scientists at Caltech and Occidental College have discovered a methane-fueled symbiosis between worms and bacteria at the bottom of the sea, shedding new light on the ecology of deep-sea environments.

Extreme rainfall has become increasingly common in metropolitan São Paulo, Brazil.