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

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

North Korea reported on the drill a day after its neighbors said they detected multiple ballistic missile launches and ...

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

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

In April 1937, the quiet Basque town of Guernica became the proving ground for a terrifying new form of warfare. As dusk fell ...

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

Kim Jong Un oversaw hypersonic missile tests as North Korea ramped up weapons displays ahead of a major political conference, ...

According to South Korea's Joint Chiefs of Staff (JCS), the missiles were launched from areas near Pyongyang at around 7:50 ...

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

A ruling against Trump would not necessarily end the tariff saga. The administration has already signalled it has alternative ...