An international team of scientists has discovered huge quantities of fresh water underneath the ocean.
The two largest planets in our solar system may be home to diamond rain and liquid diamond oceans.
Reports have flooded in of strange phenomena in the skies over South Africa and the Indian Ocean.
The monstrous 16m-long Leedsichthys problematicus would have swam the ocean 160 million years ago.
A miniature submarine could one day be used to explore the depths of Europa's mysterious ocean.
A chunk of rock nine times the size of the QE2 ocean liner will pass within 3.6 million miles this month.
Overfishing and other destructive factors may be pushing the world's oceans towards disaster.
The Keck II telescope and OSIRIS spectrometer have revealed new details of what lies in Europa's oceans.
Researchers have uncovered the location of land once part of a large prehistoric super-continent.
Japanese researchers have identified and documented the incredible capabilities of the oceanic squid.
A bizarre carnivorous sponge shaped like a candelabra has been found off the coast off California.
The vast oceans of liquid water believed to exist beneath the ice on Europa may be deeper than thought.
The mysterious rocks found by Peter Lindberg's Ocean X team could be little more than glacial debris.
As the hunt for habitable planets intensifies astronomers are turning their attention to alien oceans.
NASA researchers believe that Titan harbours an extensive subterranean layer of liquid water.
Scientists believe that the mantle of Mars contains enough water to cover the planet's entire surface.
The large circular object on the floor of the Baltic Sea has been rediscovered by Ocean Explorer divers.
Cameron plunged almost 11km to the deepest place in the ocean, the Pacific Mariana Trench.
The movie director will descend seven miles under the ocean in a submarine that he helped design.
Researchers have pieced together a complete and detailed map of the wreckage of the ill-fated Titanic.