Refueling a nuclear submarine isn't quite as simple or quick as putting gas in your car. Here's why it takes years to get a ...

US Secretary of Defense Pete Hegseth said Wednesday that a US submarine sank an Iranian warship in international waters after Sri Lanka’s Navy said it rescued more than two dozen people from an ...

A US submarine sank the Iranian frigate IRIS Dena off the southern coast of Sri Lanka on Wednesday, killing 87 people. The ...

The Iranian warship that was sunk in the Indian Ocean likely didn’t have the technology needed to defend itself against submarines.

Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives pistons to power the vehicle's main gears. Chief to this combustion ...

Japan now operates five cutting-edge Taigei-class submarines, in addition to its 12 Soryu-class and 6 Oyashio-class vessels.

The investigative minds at How to Survive explain how to manage carbon dioxide levels and the specialized "escape towers" used to reach the surface from a disabled vessel on the seafloor. Three dead ...

Most of China's submarine fleet is diesel-electric, but Beijing is ramping up production of nuclear-powered classes.

Add Yahoo as a preferred source to see more of our stories on Google. Inside a diesel engine's cylinder, compressed air raises the temperature to ignite injected fuel, and the resulting force drives ...

Monday 9th March, 2026 The JVP-NPP government came to power, promising to play a messianic role and cleanse Sri Lankan politics, but a dirty coal procurement deal has blackened its reputation. Its ...

Amid the Middle East conflict, South Korea is determined to find new pathways to strengthen localized, “autonomous” energy ...