It's 2012, and if you like to entertain end-of-the-world, apocalypse-type scenarios, this could be an interesting year for the human race.
As the oceans warm, the microbes and plankton that live in them are set to be affected drastically - but scientists say they have no idea whether the changes will fuel climate change or work to counter it.
With recent reports that there have been further radioactive leaks from the Fukushima nuclear power plants, a new study has assessed the level of radioactivity in the ocean in the first months after the disaster.
The oceans of Pandora and their threatened conditions will be a major focus of James Cameron's upcoming Avatar sequel.
Imagine diving in Austrlia's Great Barrier Reef only to see a fish...using a tool.
The Cassini spacecraft's found the strongest evidence yet that Saturn's moon Enceladus is concealing a large, underground saltwater ocean - raising hopes for the possibility of life on similar moons.
There's a vast ocean of molten magma beneath the surface of Jupiter's moon Io, NASA scientists have found.
The amount of plastic trash floating in the Pacific Ocean's 'Great Garbage Patch' is nowhere near as great as has been made out, an Oregon State University scientist says.
Within 10 million years the Horn of Africa will fall away and a new ocean will form, says a team at the University of Leeds.
Evidence that a vast ocean may have covered one-third of the surface of Mars some 3.5 billion years ago gives new support to the idea that the planet may once have harbored life.
It's looking more and more likely that Saturn's moon Enceladus has a large body of sub-surface water, increasing hopes that it may harbour life.