Matt Korda, the associate director of the Nuclear Information Project at the Federation of American Scientists, assisted USA ...

The Trump administration touted last year’s bombing of Iranian nuclear sites as one of its great military successes. But a strike to support protesters would need to be very different and could ...

Russia says it used its new Oreshnik hypersonic missile and other weapons in a massive strike on Ukraine​. Ukrainian ...

Explosions were reported in the western city of Lviv after the threat of an intermediate-range ballistic missile was detected ...

Russia said its strike was retaliation for a claimed drone attack that President Donald Trump said never happened. Kyiv’s ...

Developing nuclear fusion and modernizing the US nuclear arsenal will require substantial collaboration with the private ...

Add Yahoo as a preferred source to see more of our stories on Google. The thought of nuclear war feels like something pulled from a Cold War documentary or a dystopian movie — not a real possibility ...

The union said workers would be asked if they want to strike or take action short of a strike on Monday and that its ballot ...