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

A World War I submarine wreck off the coast of Southern California has been captured for the first time in new video and images made possible using advanced deep-sea imaging technology. The ...

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 ...

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 ...

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 ...

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 ...

The USS F-1's wreck, seen in a photogrammetric reconstruction drawn from several photos taken of it. After more than 100 years, we have the first actual image of the wreck of a sunken U.S. Navy ...