In 2001, the U.S. Navy's Seawolf-class USS Connecticut submarine struck an unknown object and had to limp to Guam for repairs. Just what happened?

JAKARTA, Indonesia — Indonesian navy ships searched Thursday for a submarine that likely sank too deep to retrieve, making survival chances for the 53 people on board slim. Authorities said ...

But thanks to cracked Enigma codes, British submarine HMS Venturer was already lying in wait. In a tense underwater pursuit, Venturer tracked U-864 using sonar and performed what would become the only ...

Underwater satellites, mini-robot sub trackers and an open invitation to join the hunt for submarines in dangerous waters – all US projects underway to defeat the growing threat of enemy submarines.

Royal Navy unveiled the Project Scylla breakthrough as the Kremlin steps up use of nuclear drones and deep-sea sabotage subs.

Underwater noises have been detected in the search area for a missing submarine en route to the Titanic wreckage. The U.S. Coast Guard and Navy are working around the clock in this complex ...

In 1917, a Royal Navy submarine began flooding during a training mission and quickly plunged 80 feet underwater. Rescuers responded quickly, but were able to save only half of the crew. What was ...

The navy believes the submarine sank to a depth of 2,000-2,300 feet, much deeper than its estimated collapse depth. Indonesia looking for submarine that may be too deep to help - Chicago Sun-Times ...

Indonesia's navy ships on Thursday were intensely searching for a submarine that likely fell too deep to retrieve, making survival chances for the 53 people on board slim. Authorities said oxygen ...

JAKARTA, Indonesia (AP) - Indonesian navy ships searched Thursday for a submarine that likely sank too deep to retrieve, making survival chances for the 53 people on board slim. Authorities said ...