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

Opinion: This op-ed's authors argue that the president's nuclear testing comments were correct, considering America's aging ...

North Korea says leader Kim Jong Un has observed test-flights of hypersonic missiles and underscored the need to bolster the ...

During the Cold War the U.S. considered putting nuclear weapons on balloons and letting them float into enemy territory for a ...

The possession of a functioning hypersonic weapon would give North Korea an ability to penetrate the US and South Korea's ...

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the ...

Diplomacy worked for decades, mainly because of an understanding that avoiding nuclear war was essential to humanity’s future ...

This month, the Bulletin of the Atomic Scientists at the University of Chicago is scheduled to announce whether the hands of ...

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

Analysts say Nicolas Maduro’s capture by US is reinforcing Pyongyang’s belief that ballistic missiles and nuclear weapons are ...