Who sank Russian cargo ship Ursa Major, was NATO involved, and was it torpedoed? This explainer covers the sinking of the Ursa Major near Spain, possible nuclear reactor cargo, US aircraft flights, ...

Maritime archaeologists working off the Danish coast have uncovered the remains of a colossal medieval cargo vessel that is already reshaping what experts thought they knew about northern European ...

A Russian cargo ship, which was likely carrying two nuclear reactors for submarines, possibly destined for North Korea, suffered a series of explosions and sank under unclear circumstances about 60 ...