On the 77th anniversary of the atomic bombings of Hiroshima and Nagasaki, the cities' hibakusha demanded that Japan sign and ratify the Treaty on the Prohibition of Nuclear Weapons (TPNW).

It’s a pivotal moment for nuclear weapons. Tensions between the United States and Russia, the two major nuclear powers, are high. Longstanding nuclear pacts have crumbled. China, which trails ...

A nuclear weapon could potentially be sent into space to deflect an asteroid heading Earth's way, an astronomer has told Sky News. Dr David Whitehouse said the measure could be taken against a ...

Trump signed an executive order reapplying “maximum pressure” on Iran to prevent it from acquiring nuclear weapons shortly ...

The NNSA was created by Congress in 1999 in order to consolidate several Department of Energy functions under one bureaucratic roof: acquiring fissile material, manufacturing nuclear weapons ...

SEOUL, Feb 8 (Reuters) - North Korea said on Saturday its nuclear weapons are not meant for negotiations but are intended for combat use against enemies that threaten its people and world peace ...

The intelligence assessment warned that Iranian weapons engineers and scientists were essentially looking for a shortcut that would enable them to turn their growing stockpile of nuclear fuel into ...

The US has completed the installation of its primary thermonuclear weapon in military bases across Europe, according to National Nuclear Security Administration (NNSA) Director, Jill Hruby. While she ...

Time for Change America's outdated nuclear deterrence policy is hindering the country's missile defense program, constraining ...

Ryan Chan is a Newsweek reporter based in Hong Kong, where he previously had over a decade of experience at a local newspaper, covering China and current events around the world. His focus is on ...

Given the foregoing, Israel should remain the only country with nuclear weapons in the Middle East, as long as its nuclear doctrine remains defensive. On the other hand, Israel cannot be asked to get ...

The goal of testing a nuclear weapon is not to undermine arms control agreements or give a green light for further testing by Moscow or Beijing. It would be done in service of a larger ...