It’s part of the scenario in “The Day After Tomorrow,” but scientists differ over whether or how fast it may occur. A team ...

The southern Indian Ocean off the west coast of Australia is becoming less salty at an astonishing rate, largely due to ...

New research from the University of Copenhagen suggests that volcanic eruptions during the Ice Age may have triggered sudden climate change by disrupting the Atlantic Meridional Overturning ...

Bigger than any waterfall on land, this hidden ocean giant flows silently beneath the sea, unseen by human eyes, yet it plays a powerful role in shaping Earth's climate and ocean currents.

Climate change is rapidly freshening one of Earth’s saltiest ocean regions in the Southern Indian Ocean, potentially disrupting circulation.

From space, the oceans look calm and simple — just endless blue. But when scientists zoom in with modern tools, that calm ...

The Atlantic Ocean's 'conveyer belt' might be slowing down - and scientists are rushing to figure out why.

While we can’t usually observe coastal currents from the shoreline, water in the oceans of the world is in constant motion. Surface currents are driven by wind blowing across the sea surface, and ...

A new study suggests that some of the world’s oxygen-deprived oceans could eventually regain higher oxygen levels in the ...

Beneath the icy waters between Greenland and Iceland flows Earth’s largest waterfall, three times taller than Angel Falls — yet completely invisible from the surface. How can something so vast remain ...