A new species of extremely deep-sea snailfish has been found in the depths of the Mariana Trench.
US diplomats stationed in Cuba have recently been subjected to a series of mysterious 'health attacks'.
Scientists have found evidence of life in a cave system hidden deep beneath the Antarctic ice.
The next target of NASA's New Horizons probe is a space rock with some rather intriguing properties.
A new video shows veteran free diver Guillaume Nery descending 131ft underwater on only one lungful of air.
Scientists have revealed some of the weird and wonderful animals that live in Australia's eastern abyss.
They may be giants of the deep today, but blue whales only gained their huge size 2-3 million years ago.
Researchers have found evidence of microbes surviving up to six miles beneath the Mariana Trench.
An unexplained explosion has been discovered in the deepest X-ray image of our universe ever taken.
Marine biologists have recorded footage of a remarkable jellyfish in the depths of the South Pacific.
Scientists have found strong evidence of an ancient continent hidden deep beneath the Indian Ocean.
Scientists have detected a further six mystery radio bursts originating from outside of our galaxy.
A strange-looking invertebrate has been spotted by a deep-sea ROV over a century after its discovery.
Scientists believe that Mars is now so dry that any life forms would have to be living deep underground.
Astronauts embarking on missions in to deep space could be at an increased risk of developing dementia.
Divers have discovered an underwater cave in the Czech Republic which descends to a depth of 1,325ft.
Scientists believe that the dwarf planet's interior may be filled with large quantities of liquid water.
A recent deep-sea expedition off the coast of California has revealed a rather unusual looking creature.
A remote-operated deep-sea exploration vehicle has discovered a peculiar purple orb underneath a rock.
The Okeanos Explorer vessel has revealed an undersea realm filled with weird and wonderful life forms.