Marine archaeologists have discovered the earliest known example of an astrolabe navigation tool.
Palaeontologists have discovered an enormous Ichthyosaurus specimen in a German museum collection.
A sea algae boom has been credited with the rise of the first complex life forms in Earth's distant past.
The space agency has discovered all the crucial ingredients for life in the oceans of Saturn's icy moon.
The space agency will be holding a press briefing on Thursday about 'the search for life beyond Earth'.
New data from Cassini has suggested that Enceladus' liquid water ocean may be very close to its surface.
Scientists have revealed that Mars was much wetter and therefore more habitable than previously thought.
Scientists have found strong evidence of an ancient continent hidden deep beneath the Indian Ocean.
Scientists have warned that global sea levels could continue to rise over the coming decades.
A strange-looking invertebrate has been spotted by a deep-sea ROV over a century after its discovery.
It is looking increasingly likely that the dwarf planet is home to a vast subterranean ocean of water.
Palaeontologists have unearthed the fossil remains of a gigantic Cretaceous-era ocean predator.
An extremely peculiar creature with a bulbous transparent head has been spotted by a diver in Bali.
A diver believes that he may have discovered a missing nuclear weapon at the bottom of the Arctic Ocean.
New research has suggested that another of Saturn's moons is home to a subsurface ocean of liquid water.
The find could make it much easier to search for evidence of extraterrestrial life in Europa's oceans.
Scientists believe that the dwarf planet's interior may be filled with large quantities of liquid water.
Scientists are set to embark on an ambitious mission to find out what is living beneath the ocean floor.
These carnivorous ocean-dwellers are now thought to be the longest-lived vertebrates on the planet.
The Okeanos Explorer vessel has revealed an undersea realm filled with weird and wonderful life forms.