The concentration of salt in the ocean doesn’t change much, so plant and animal life don’t have anything to worry about, ...

Mars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.

Marine microbes cooperate far more than they compete, reshaping how scientists understand ocean ecosystems and climate response.

Did you know that the ocean produces approximately half of the world's oxygen? Or that key medicines have come from ocean discoveries, like a painkiller found in a sea snail? It's all true! And so is ...

A diver surveys a coral reef on Nov, 27, 2017 near the Comoros archipelago, Indian Ocean.Alexis Rosenfeld—Getty Images When the world’s first marine reserves were established in the 1920s, Jacques ...

When most of us look out at the ocean, we see a mostly flat blue surface stretching to the horizon. It’s easy to imagine the sea beneath as calm and largely static – a massive, still abyss far removed ...

Narrow bands of ocean covering just over one-third of the world's seas are responsible for absorbing nearly three-quarters of ...