A Loch Ness research vessel has picked up a significant 'underwater presence' in the depths of the loch.
For years, archaeologists have pondered over the mystery of Atlantis and whether it ever actually existed at all.
The next-generation vehicle was inadvertently picked up on satellite images at the Port Hueneme naval base in California.
Detecting underwater acoustic signals could provide scientists with new insights into plane crashes.
With its free-form acrylic pressure hull, the Triton 660 AVA aims to provide 'entertainment-focused underwater experiences'.
A retired rear admiral has expressed concerns over UFOs that have the ability to transition from air to water.
Researchers have solved the mystery of whether or not Spinosaurus was adept at pursuing its prey underwater.
The highly advanced new submarine would be capable of traveling at supersonic speeds underwater.
An undersea mapping firm has captured a sonar image that is thought to show the late aviator's plane.
The Neolithic road was found after an archaeologist noticed 'strange structures' in the water nearby.
The woman was pulled out of the vehicle after it had been submerged underwater for quite some time.
Former US Navy diver Joe Dituri is attempting to live in an underwater habitat for a period of over 3 months.
A recent underwater expedition picked up footage of a surprisingly familiar looking sponge and starfish.
Footage posted earlier this year on Instagram appears to show a weird shape being carried along by the waves.
A 54-year-old from Croatia has managed to break the world record for holding his breath underwater.
An underwater salvage company is seeking legal permission to retrieve objects from inside the wreck.
This remarkable object, which is believed to be a mass of squid eggs, was found in the waters off Norway's coast.
A former marine ecologist is aiming to use underwater cameras to spot an elusive lake beast in Alaska.
Robert Morton had been browsing a satellite map of Edinburgh when he spotted a submerged plane offshore.
With its 60-ton cargo of mercury, the wreckage of U-864 is an environmental disaster waiting to happen.