Submarines have quietly become some of the most powerful weapons in modern naval warfare.

The U.S. Navy has reached a Cold War-era milestone in the Arctic, deploying two Virginia-class submarines beneath the polar ice cap for the 100th time since World War II.

A nuclear attack submarine may be the most formidable predator ever built. In 2009, I spent a week submerged aboard the USS Miami, a nuclear-powered Los Angeles-class submarine known to its crew as ...

Prime Minister Mark Carney touched down in Norway early Friday where he will get important face time with the Nordic country’s leader and the German chancellor before taking in a major NATO wargaming ...

Washington | Saying that Iran's “surface fleet is no longer a factor,” US Defence Secretary Pete Hegseth said that “their submarines — they once had 11 — are gone.” The crafts Hegseth referenced are ...

Diesel-electric submarines like the Taigei class offer Japan a fearsome weapon against China—at a fraction of the cost of cutting-edge American ones.

A General Dynamics unit was awarded a $15.38 billion contract modification from the Navy to help design ballistic-missile submarines. The contract is an addition to an earlier award to design, support ...