The Seabreacher is a semi-submersible boat that can dive underwater. It's available to ride with Predator Adventures in London's Royal Docks. It has a supercharged 260 horsepower engine and is ...

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

A submersible carrying five people to the Titanic imploded near the site of the shipwreck and killed everyone on board, authorities said Thursday, bringing a tragic end to a saga that included an ...