Satellite photos showing a 200-foot-wide crater at a launch site indicate that the Sarmat missile, said by the Kremlin to ...

Late last week, Russia's military planned to launch a Sarmat intercontinental ballistic missile (ICBM) on a test flight from ...

North Korea said that leader Kim Jong Un supervised successful tests of two types of missiles — one designed to carry a ...

Ryan Chan is a Newsweek reporter based in Hong Kong, where he previously had over a decade of experience at ... Read more ...

Radiation from a nuclear explosion can vaporize the surface of an asteroid and change its trajectory, a new study finds.

Exploding a nuclear bomb above a huge asteroid could vaporize its surface using X-rays, pushing the space rock away from ...

Moscow has claimed it will not conduct nuclear tests despite rumors that they would resume, on the condition that the US also ...

An experiment with powerful pulses of energy sent test targets flying in a step forward for planetary defense.

The head of Russia's nuclear testing site said on Tuesday his secretive facility was ready to resume nuclear tests "at any ...

Russia will not test a nuclear weapon as long as the United States refrains from testing, president Vladimir Putin’s point ...

President Vladimir Putin will chair a meeting of Russia's Security Council on Wednesday on nuclear deterrence, the Kremlin ...

North Korea has disclosed the first photos of a uranium enrichment site designed to produce weapons-grade fuel for its ...