(Reuters) - A possible resumption of nuclear weapons tests by Moscow remains an open question in view of hostile U.S.

That’s the message from Westinghouse Electric Co., the Cranberry Township-based firm that last year became the first company ...

Moscow has increasingly hit critical substations linked to nuclear power plants in an effort to disconnect them. The assaults ...

Xi Jinping is almost surely comfortable with Vladimir Putin’s threats to use his most destructive weapons against Ukraine.

In a commercial warehouse overlooking the ocean in New Zealand’s capital Wellington, a startup is trying to recreate the ...

South Korean fighter jets were scrambled as Russian and Chinese bombers entered the country's air-defense zone.

Officials recently cited by the New York Times floated moving nuclear weapons into Ukraine as insurance against repeat ...

It remains unclear how President-elect Donald Trump will approach Iran once he enters office, particularly as it continues to ...

Nuclear power plants in Ukraine reduced electricity production on Nov. 28 as a precautionary measure in response to a Russian ...

As it turns out, this abandoned "secret city" was the site of a secret Cold War project known as Project Iceworm which called ...

The JCPOA was an agreement between Iran and several world powers, including the United States and Europe, aimed at curbing ...