Investigators examining a lost submarine uncovered physical damage patterns that did not align with official explanations.

Several submarines were lost in sudden explosions with no signs of enemy attack or external damage. Crews vanished instantly, leaving investigators confused and families without answers. The ocean ...

On Oct. 6, 1943, a newly commissioned submarine left Groton, heading down the Thames River and out to sea. USS Dorado (SS-248) was bound for the Panama Canal. It was never seen again. The fate of this ...

There were 569 crewmen of Mare Island submarines lost during World War II, including USS Wahoo and USS Tang. Thanks to Myrna Hayes and Larry Maggini, they won’t be forgotten. For the 19th time, a ...

Indonesia’s military has officially said all 53 crew members from a submarine that sank and broke apart last week are dead. Searchers have located the vessel's wreckage on the seafloor, at a depth of ...

It's been 75 years since the USS Grayback went missing with 80 sailors aboard. Now, an organization that searches for sunken World War II submarines has solved the mystery of where it went down. On ...

A private search vessel has located a French submarine that went missing in the western Mediterranean more than 50 years ago, officials said Monday, raising hopes the mystery over the disappearance ...

In the final weeks of the war, the Navy hunted down and sank five German submarines in the North Atlantic. They stopped what ...

PITTSBURGH — An emotional memorial ceremony was held aboard the USS Requin, the submarine moored along the Ohio River at the Carnegie Science Center. “No maritime power has ever survived unless its ...