When hundreds of eerily perfect circles were discovered on the bottom of the Mediterranean Sea, theories abounded about what ...

Learn how time scales for objects thousands versus millions of years old could be better synchronized.

Mining ocean resources needed for electric cars and other devices is currently a hot issue of dispute. Final resolution of ...

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 ...

In the early 1950s, Marie Tharp began connecting dots to map the ocean floor, using sonar technology. Sonar detects underwater objects by timing the echo of a soundwave and was originally ...

Sealab basically looked like kind of a cigar-shaped vessel, like a submarine with legs like a dinner table on it so it can be propped up on the ocean floor. (SOUNDBITE OF ARCHIVED RECORDING ...

Technology in the exhibit was so detailed, that Metro reporter Sarah Hooper was able to read a menu lying on the table during ...

The OceanGate Titan tragedy, where five people aboard a submersible died when it imploded on its way down to the Titanic ...

In the 1960s, the U.S. Navy was exploring the other "final frontier" -- the sea. A series of underwater habitats called "Sealabs" were constructed for scientific exploration on the ocean floor.