Add Yahoo as a preferred source to see more of our stories on Google. Ukraine's internal security agency said it used an underwater drone to damage a Russian submarine. The agency described the attack ...

A US submarine this week torpedoing an Iranian warship during the Middle East conflict raised the crucial question of who ...

The Security Service of Ukraine said that it had “effectively disabled” a Russian submarine in the Russian Black Sea port of Novorossiysk.

Join Jiggin With Jordan as he teams up with others to build and test underwater submarines. Watch as they evaluate which submarine performs better during their underwater adventures. Explore the ...

Ukraine's internal security agency said it used an underwater drone to damage a Russian submarine. The agency described the attack as a first, potentially signaling a new chapter in drone warfare.

Breakthrough trial with Tiqker clock aboard XCal submarine advances resilient navigation in GPS-denied environments Testbed submarine XV Excalibur went to sea with ...

TAIPEI (Taiwan News) — Taiwan’s first indigenous-built submarine prototype, the Narwhal, conducted its fifth dive test Tuesday off the coast of Kaohsiung.

While diesel engines don't need spark plugs, they do need air ventilation for proper combustion. This is a problem for vessels traveling underwater, such as submarines. Yet diesel submarines exist and ...