A deep-sea training and engineering dive off the coast of San Diego provided an opportunity for never-before-seen imagery of the U.S. Navy submarine USS F-1, lost at sea in an accident on December 17, ...

A magnitude 6.1 earthquake struck off the coast of Crete, Greece, on Thursday morning, prompting a tsunami warning from European authorities. The tremor’s epicentre was located 58 km north-northeast ...