The Russian Typhoon-class SSBN (Project 941 "Akula") is the largest nuclear-powered ballistic missile submarine ever built.

Trump has sought a nuclear deal with Russia and China for years. He could get one this time—but only if he does it the right ...

The other two production sites for the Manhattan Project – Hanford, Washington, and Los Alamos, New Mexico – have numerous ...

The U.S. hasn't tested a nuclear weapon in decades, and since the 1990s has used simulations and experiments to verify they're working properly. NPR was granted a rare look at how they do it.

Amid growing tensions, Russia, China and the U.S. are ... The experiments are a far cry from full-scale nuclear tests. They ...

President Donald Trump ordered the construction of a new missile defense system covering the United States, the latest move ...

A Royal Navy attack submarine surfaced close to a Russian spy ship off the UK coast ... about the movement of its top secret fleet of nuclear-powered submarines. A decision to tell parliament ...

Russia has invested heavily in its Arctic military footprint in recent years. Its northernmost Nagurskoye air base on Siberia’s northern coast hosts nuclear-capable strategic bombers ...

British Defense Secretary John Healey told Parliament on Wednesday the Royal Navy was tracking a "Russian spy ship" that passed through U.K. waters, warning Russia's President Vladimir Putin ...

The declining health of Russia's economy is as clear as day — or night, a finance minister said Wednesday. Elisabeth Svantesson, the finance minister of Sweden, said she and her officials were ...

The British defense secretary told Parliament that the Yantar, which he described as a Russian spy ship, had come near Britain’s coast for the second time in a few months. By Stephen Castle and ...