A catastrophic reactor failure left a nuclear submarine on the brink of explosion deep beneath the ocean. With no backup ...

(CNN) — Ukraine’s domestic security service, the SBU, said Monday that it struck a Russian submarine in the Black Sea port of Novorossiysk, causing critical damage to the vessel and effectively ...

According to Ukrainian statements, the drones moved toward the vessel inside the harbor before detonating alongside it, producing an explosion that was later visible in video released by the SBU.

Journalists of the Russian service of Radio Liberty have published a satellite image of a pier in the port of Novorossiysk showing the site of a sea drone attack on a Russian Varshavyanka-class ...