Watch: The Perpetually-Moving Ocean
NASA's visualization depicts real ocean currents from around the world, as observed in 2025.
NASA's Scientific Visualization Studio
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Contunico © ZDF Studios GmbH, Mainz; Thumbnail © Wirestock/Dreamstime.comThe tidal flats of the Wadden Sea have a rich supply of phytoplankton, which helps attract numerous seabirds.
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University College Cork, Ireland (A Britannica Publishing Partner)An expedition seeking hydrothermal vents in the middle of the Atlantic Ocean.
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National Oceanic and Atmospheric Administration/Department of CommerceLearn how to prevent litter from ending up in the ocean.
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Encyclopædia Britannica, Inc.We have questions about hurricane season. Britannica editor John Rafferty has answers.