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.

The U.S. Navy accepted delivery of the Submarine Force’s newest fast attack submarine, the future USS Idaho, from General Dynamics Electric Boat on Dec. 15 in Groton, Conn., marking the second ...

Deep beneath the icy Arctic waters, a dangerous game of cat and mouse unfolded that would send shockwaves through NATO naval ...

Submarines are quite possibly some of the scariest vessels any navy could operate. No, they're not as large as an aircraft carrier or as armed to the teeth as a destroyer, but their ability to ...