The American reaction to an attack is classified, but details made public paint a harrowing picture.

Advanced centrifuges such as the IR-9 drive up the risk of nuclear weapons proliferation significantly. Fortunately, the ...

Next month, we will mark the 80th anniversary of the Trinity test, the first nuclear-weapon detonation. We have lived under the shadow of Armageddon ever since. Now, the danger of proliferation is ...

As President Trump ordered the US military to attack three major Iranian nuclear sites, a misguided concept of Israel’s ...

Nuclear experts say the president’s rejection of the restrictive deal forced him to neutralize an Iranian threat of his own ...

Faced with a surge in Russian drone attacks, Ukraine is exploring unconventional defense strategies, including interceptor ...

A chilling map developed by nuclearsecrecy.com reveals the catastrophic impact a nuclear bomb detonated in New York City ...

The map - which is, thankfully, hypothetical, but based on expert finding from Alex Wellerstein, a nuclear historian at the ...

Countries without nuclear weapons could decide nuclear nonproliferation and transparency efforts that the world has taken for ...

US airstrikes on Iran's nuclear facilities raise doubts about the effectiveness of the attack and Iran's nuclear intentions.

The president’s most important job, as the sole steward of America’s nuclear arsenal, is to prevent nuclear war. And a ...

How an atomic weapon is built, and what the recent Israeli and U.S. attacks on Iran may mean for the country’s nuclear ambitions.