On land, we’re familiar with heatwaves and cold snaps. But the deep sea also experiences prolonged periods of hot and cold. Marine heatwaves and cold spells can severely damage ocean ecosystems and ...

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Earth’s mightiest current has no banks. The Antarctic Circumpolar Current, or ACC, is the largest ocean current on the planet ...

Getting your Trinity Audio player ready... A sprawling, slow-moving system of ocean currents circulating in the Atlantic that help regulate the earth’s temperature is set to deliver a blob of warmer, ...

New research from an international group looking at ancient sediment cores in the North Atlantic has for the first time shown a strong correlation between sediment changes and a marked period of ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. From the Atlantic to the Pacific, beachgoers are being warned to stay ...

When you go swimming in the ocean, there are any number of dangers to keep in mind. There's dangerous marine wildlife that can incapacitate a swimmer, like sharks, saltwater crocodiles, and jellyfish.