Experts warn any new Iran deal must ban plutonium reprocessing and expose covert pathways to nuclear weapons, citing risks ...

Evidence that Russia is racing to perfect a nuclear-armed spacecraft to target Western satellites is sparking the U.S. and ...

Nuclear weapons have shaped global politics for decades, but their destructive power is almost impossible to comprehend. From ...

At least six Iranian nuclear sites were struck in recent US and Israeli attacks, with most of the confirmed or suspected targets linked to work associated with building a nuclear weapon, according to ...

When Iran’s covert nuclear program came to international attention over two decades ago, Tehran insisted that its intentions were peaceful and that it had no plans to develop nuclear weapons.

Diplomats have gathered in New York to review the future of the global nonproliferation regime, while Washington and Tehran ...

Mr. Trump—and perhaps many American Catholics—may be surprised to discover how far the church has moved in recent years on moral questions related to nuclear weapons.

Located at the National Nuclear Security Administration (NNSA’s) Pantex Plant near Amarillo, Texas, the facility was ...

Which countries currently have the most nuclear weapons? According to the International Campaign to Abolish Nuclear Weapons, ...

The head of the organization overseeing a treaty banning nuclear testing warned Wednesday that if the United States, Russia or any other nation goes ahead with a test, other nations will follow. “That ...