Nuclear submarines carry out multiple types of missions, but no matter the mission, it's vital that they remain hidden in the ocean's depths.

The applications of submarines go far past traditional military operation. While submarines are a backbone of military operations, they are also used for underwater exploration, transportation and ...

Diesel engines cannot work without oxygen, so how do diesel submarines operate when they're underwater? Their propulsion system accounts for this limitation.

Modern diesel submarines seem to break a basic rule of engines: they keep moving underwater even though diesel power needs oxygen. The trick is that these boats are really two propulsion systems in ...

Though submarines were originally devised as stealth vessels, they can make a surprising amount of noise as they soar through the seas. In a bid to tackle this problem, the European Defense Agency ...

Add Yahoo as a preferred source to see more of our stories on Google. Ukraine hit a Russian submarine with drones in Novorossiysk, Ukraine’s security service SBU said, marking the first time in such ...