The Migaloo M5 concept involves a 540-foot base-model submersible superyacht that could keep its wealthy owners underwater ...

In 1917, a civil engineer pioneered the first deep-sea vehicle to attempt filming underwater. A century later, we have James ...

Winners of the competition will stay in Airbnb's first ever underwater bedroom for one night between April 11-13 in an enclosed chamber surrounded by 35 sharks. A clear 360-degree wall will be the ...