President Donald Trump said Iran was "weeks away" from having a nuclear bomb. Iran was close to having bomb-grade uranium, but experts predicted it could have taken anywhere from months to two years ...

“Supply-side counter proliferation strategies (i.e., trying to deny countries the knowledge, material, and equipment needed to make deliverable nuclear weapons) cannot permanently prevent ...

Iranian President Masoud Pezeshkian has told Tucker Carlson that Tehran is not looking to develop a nuclear weapon.

When Israeli aircraft recently struck a uranium-enrichment complex in the nation, Iran could have been days away from ...

Nine countries currently either say they have nuclear weapons or are believed to possess them. The five original nuclear weapons states are the United States, Russia, China, France and the United ...

Deadlier weapons, more nations, autocrats in charge, disinformation and collapsing arms control — the risk of nuclear catastrophe is back.

The Trump administration has an ideal opportunity to revive a broader coalition to prevent the Islamic Republic from becoming ...

Regarding the June 22 front-page article “ U.S. strikes Iranian nuclear facilities ”: ...

Indonesia calls for ASEAN to finalize the necessary documents needed for China to sign the bloc's anti-nuclear weapon treaty ...

Expanding Nuclear Weapons Capabilities. Critics and proponents of expanding nuclear warhead types under the Obama and Trump administrations have argued over three broad categories of capabilities: ...

Scientists would also have to devise the nuclear warhead, a task Kristensen says that even nations with established nuclear weapons programs have found to be “very tough.” “Warheads are ...

No one knows if using low-yield or tactical nuclear weapons will trigger a full ... the Army tested “Atomic Annie,” a cannon that could fire a shell with a 15-20 kiloton nuclear warhead up to ...