Refuelling a nuclear submarine can take longer than designing a new electric car—and cost billions along the way.

Germany and the UK just signed a $72 million deal to jointly acquire one of the most advanced artillery systems in the world ...

Hidden beneath the ocean is America’s most dangerous weapon. The Ohio-class submarine doesn’t just fight wars — it ends them. Silent, nuclear-powered, and carrying enough firepower to reshape the ...

The North has indicated it plans to arm the submarine with nuclear weapons, calling it a “strategic guided missile submarine” or a “strategic nuclear attack submarine.” ...

A nuclear-powered submarine was one item on a wish list of sophisticated weaponry that Kim Jong-un announced during a ...

North Korea state media photos showed a largely completed nuclear-powered submarine hull as leader Kim Jong Un condemned ...

North Korea on Thursday showed apparent progress in the construction of a nuclear submarine, with state media pictures ...

The debut followed the North’s first test of a new surface-to-air missile and the arrival of a U.S. nuclear-powered attack ...

The pictures released by state media showed leader Kim Jong Un inspecting the guided-missile submarine at an indoor construction facility, indicating it has not yet been launched.

North Korea has released images of a nuclear-powered submarine as an expert said the vessel could be tested at sea within ...

Hanwha Group claims that its Philadelphia plant could support construction of advanced submarines, such as the Virginia-class ...