Yes, the U.S. military is missing nuclear weapons and has been for a long time. You probably would not be surprised to know ...

A submarine that sunk during World War II has been discovered off the Pacific Coast, Russia's Pacific Fleet said Monday. The Malyutka-class submarine went missing during the war in the Peter the Great ...

Yet another submarine has gone missing — though this time, it wasn't headed to visit the wreck of the Titanic at the bottom of the Atlantic Ocean. This time, a vessel with 45 Russian tourists on board ...

Six Russian tourists, including two children, have been killed after a submarine sank off the coast ... from the wreck and there are no others missing, Egypt’s Red Sea governorate said.

and a fourth soldier remains missing, military officials said Monday. The soldiers went last missing Tuesday morning after their M88A2 Hercules armored recovery vehicle became submerged in a peat ...