As Russia delves the depths of the Black Sea in search of the crashed US drone, we take a look at what else might be lurking beneath the waves. From ancient shipwrecks to huge underwater rivers ...

Russians are ditching their summer holiday plans at popular Black Sea destinations because of an oil spill, while local ...

Russia continues to suffer military defeats in the strategically vital Black Sea, one of Moscow's most crucial avenues for political and economic influence into the Mediterranean and beyond.

Remote-controlled cameras offer a first-time glimpse of numerous wrecks entombed in the icy depths off the coast of Bulgaria. This story appear in the March/April 2017 issue of National Geographic ...