Operated by OceanGate Expeditions, the submarine is known as the Titan submersive and holds only up to five people for its dives.

The U.S. Navy’s upcoming Virginia-class Block VI submarines represent a significant leap in undersea warfare, designed to ...

Chilling video captures the terrifying moments before a tourist submarine, filled with eager families, began to sink, inciting screams and panic among those on board. Tragically, in the moments ...

Inside the U.S. Navy's newest, fastest $2B submarines Russia announced plans last month to build a submarine larger than its typhoon class, which is already the world's biggest nuclear-powered ...

Inside a U.S. Navy submarine navigating the Arctic For many of the 152 sailors on board the USS Hampton, it is their first patrol.

The submarines themselves also punch straight through the frozen landscape. This is what it looks like on the inside.

Germany's U-505 submarine was the 1st warship captured by the US Navy in over a century and top secret during World War II. See photos of the inside.

There are hundreds of sailors who work on submarines at the world's largest naval base in Norfolk, Virginia. They can spend several months out at sea, before coming home to their families.

A rare look inside the USS Delaware, an attack submarine visiting Wilmington this week President Biden and First Lady Jill Biden, sponsor of the ship, will speak Saturday at the commissioning ceremony ...

Germany's U-505 submarine was the 1st warship captured by the US Navy in over a century and top secret during World War II. See photos of the inside.