In August 2000, the Russian submarine Kursk vanished during a major naval exercise in the Barents Sea after two devastating ...

With an Argentine submarine missing for five days with 44 people aboard, we recall five of the most deadly submarine disasters over the past few decades. Russian authorities controversially refuse ...

USS Scorpion vanished in 1968 during a mission in the Atlantic after reporting that she was tracking a Soviet submarine.

Leonard DeMedeiros, a Fairhaven Navy chief, survived the 1939 USS Squalus submarine sinking, an event he called his ...

Family and friends gathered for an emotional service Saturday to honor the 129 Navy crew members and civilian technicians of the USS Thresher who lost their lives 50 years ago in the deadliest ...