After Seabourn located a long-sunken WWI-era ship in Chile, I'm reminded how diving in an expedition ship's sub can unlock new worlds for cruise passengers -- and make discoveries.

During the Cold War, the Soviet Union sought an edge in undersea warfare by designing the Lira-class (Alfa) submarines with ...

Submarines use a variety of technology advancements to help them submerge and stay under water. Here's everything we know ...

The divers with Code 760, Regional Dive Locker at Puget Sound Naval Shipyard & Intermediate Maintenance Facility took ...

The American Virginia-class submarine USS "Washington" has received the highest award granted to military units—the ...

In May 2002, the Navy research submarine USS Dolphin caught fire and partially flooded near San Diego while resurfacing to ...

The submarines were reported to be the world's fastest and deepest diving of their era and could reach a top speed of 41 knots submerged. The boats could get to top speed in just about sixty ...

Jerry Smith was the founder of AST Scuba in Pittsfield, and laid the foundation for the county's underwater search and rescue ...

Submarine Dive Trainer and Submarine Maintenance Trainer, which were built to simulate the various aspects of operating an actual submarine. With these trainers, submarine crew can conduct ...

The HMS "Trooper" likely sank after hitting an underwater German mine off the coast of an island in the Aegean Sea in 1943 ...

Shipwreck hunters have located a long-lost World War II submarine which sank off the coast of Greece 81 years ago, Live ...