An ally and former adviser to Russian President Vladimir Putin and former President Boris Yeltsin said the country could use ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

The Kremlin said U.S. President Donald Trump has not yet responded to Russian President Vladimir Putin's offer to extend the ...

Sergey Karaganov, a former adviser to Putin, warned that Russia could deploy nuclear weapons if it came close to defeat.

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

Regional fears of a U.S. attack on Iran have eased after President Donald Trump said Tehran had assured him that protesters ...

Japan doesn’t seem likely to develop nuclear weapons in the short-term. However, the tensions that triggered this episode are ...

In comments during a two-hour CNBC special on his life and legacy, Warren Buffett compared the potential of AI technology to ...

The death of the last treaty between Russia and the U.S. that limited the size of nuclear arsenals may spark a new arms race, ...

Commercial nuclear reactors all work pretty much the same way. Atoms of a radioactive material split, emitting neutrons.

And, well, they were slow and easily shot down, by air or by ground forces.

Former Putin adviser Sergey Karaganov warned that Russia would use nuclear weapons against Europe should it ever come close ...