Key Points - Russia's Losharik (AS-31), a unique deep-diving nuclear-powered special missions submarine, is reportedly ready for sea trials in 2025 after a nearly five-year repair following a fatal ...

SAN DIEGO (FOX 5/KUSI) — A team of researchers captured high-definition pictures of a sunken World War I-era U.S. Navy submarine off the coast of San Diego, over a century after it was lost at sea.

Tourist submarines offer a way for passengers to explore the ocean without having to train as a diver or grow gills. Staying dry is a nice perk, but the real appeal is seeing sea life up close without ...