Moscow's cover-up of the Kursk submarine incident seriously damaged Russian President Vladimir Putin's prestige—and was even viewed by some as a "turning point" for modern Russia.

The Russian submarine Emperor Alexander III can carry up to 16 nuclear missiles, which have an estimated range of 5,157 miles ...

NATO aircraft launched nearly 30 missions over the Arctic after reports that a Russian submarine had confronted the USS Gerald R. Ford.

A nuclear submarine base in the remote Far East of Russia sustained minor damage last week after the region was rocked by one of the strongest earthquakes in decades, satellite imagery suggests.

The Rybachiy base, which hosts nuclear-powered submarines from Russia’s Pacific Fleet, lies in a cove about 80 miles from the powerful earthquake that struck near the Kamchatka peninsula last week.

U.S. and Russian submarines can launch torpedoes and missiles for anti-submarine, anti-surface and land-attack missions.