"I think that the new leadership under Mojtaba might be willing to take more risks," a former Israeli official told Newsweek.

EXCLUSIVE: Donald Trump may have sparked a new global nuclear arms race with his war on Iran, a former assistant secretary of ...

French nuclear-armed jets could be stationed in Britain and other allied European countries after Emmanuel Macron unveiled a dramatic expansion of France’s deterrence doctrine.

Canadians are openly discussing the merits and risks of pursuing a nuclear weapon. Europeans are similarly considering a ...

On Feb. 5, New START, the last treaty limiting U.S. and Russian strategic nuclear arms, will expire — a dark milestone. But President Trump has an opportunity to put off such a nuclear competition and ...

As the conflict between the US-Israel and Iran escalates, nine countries possess an estimated 12,300 nuclear warheads ...

Add Yahoo as a preferred source to see more of our stories on Google. The last remaining bilateral treaty between the United States and Russia limiting strategic nuclear arms expires on Thursday, ...

U.S. President Donald Trump said Monday that the war with Iran began because that country was starting work on a new site for ...

For the first time in more than half a century, there are no binding restraints on the buildup of the largest nuclear forces on Earth. The New START treaty expired on Feb. 5, 2026, ending the last ...

When the Soviet Union collapsed, Ukraine suddenly found itself with the world’s 3rd largest nuclear arsenal. On paper, that ...

Late last week, the U.S. leveled an explosive claim: China is planning secret nuclear weapons tests and has already conducted at least one. For the first time in decades, the U.S. and Russia have no ...