When hundreds of eerily perfect circles were discovered on the bottom of the Mediterranean Sea, theories abounded about what they could mean. Four years of underwater research revealed a lost world.

The UK company that designed the modular underwater habitats says they could be used for everything from marine studies and tourism to security. View on euronews ...

“Once saturation is reached, the diver can stay at the bottom for days, weeks, and months without needing any additional ...

While NASA was trying to put a man on the moon, the Navy was quietly conducting a series of tests to see if humans could live ...

A massive underwater volcano known as Axial Seamount could erupt soon, completely reshaping the floor of the Pacific Ocean.

One would think that a volcano was not the most hospitable place for living organisms. However, the Borealis Mud Volcano, at ...

In a remarkable underwater expedition, researchers employing advanced robotic technology have recovered a sunken shipping container, only to be left astounded by its unexpected contents. This ...

A deep sea creature known for living hundreds of meters below the water's surface in the darkness of the deep ocean was photographed in broad daylight last week — in what researchers are saying may be ...

Two underwater sea lilies were eaten and regurgitated around 66 million years ago. They were preserved as fossilized vomit.

Harrison Okene was trapped on the seabed 20 miles off the coast of Nigeria when his boat sank, however, he miraculously ...

Deep sea mining. Human colonies on the ocean floor. These were the dreams of ... The documentary's pioneer underwater cinematography was captivating. But Bond's vision was more significant than ...