Submarines are pretty cool bits of kit. They can offer researchers an unrivaled view of the ocean floor, help search out missing wrecks beneath the waves and can even ferry about the rich and famous, ...

TOKYO -- The world's deepest-diving submarine has disappeared in the choppy Pacific Ocean off Japan, a setback to deep-sea research on everything from earthquakes to rare bacteria. Kaiko, a bright ...

Tourist submarines offer a way for passengers to explore the ocean without having to train as a diver or grow gills. Staying dry is a nice perk, but the real appeal is seeing sea life up close without ...

Chinese scientists have recently made a startling revelation deep beneath the Arctic Ocean. Using a submarine, they have ...

SAN DIEGO (FOX 5/KUSI) — A team of researchers captured high-definition pictures of a sunken World War I-era U.S. Navy submarine off the coast of San Diego, over a century after it was lost at sea.

In summer 1958, 27-year-old Navy Staff Lt. Don Walsh was assigned to the submarine tender Nereus, part of Submarine Flotilla 1 at the sub base on Point Loma. It was a safe, steady desk job, but less ...

Ohio billionaire Larry Connor plans to explore the Titanic wreckage site with a new $20 million submarine, just one year after the fatal OceanGate incident that saw five deaths. His goal is to prove ...

PERTH, Australia (AP) -- A robotic submarine hunting for the missing Malaysian jet aborted its first mission after only six hours, surfacing with no new clues when it exceeded its maximum depth along ...

What You Need to Know: In May 2002, the Navy research submarine USS Dolphin caught fire and partially flooded near San Diego while resurfacing to recharge its batteries. -All 43 crew members survived, ...