When PolitiFact asked the White House to square Trump’s remarks about obliteration with Witkoff’s comment about Iran being a week away from having bomb making material, the White House referred us to ...

President Donald Trump said that Iran's nuclear program was "obliterated" last summer, but he now says the U.S. may have to ...

A U.S. official focusing on arms control has provided what he called new, declassified details of a Chinese underground ...

President Trump is pressuring Iran to either curtail its nuclear program or face military strikes, after Iran amassed a large stockpile of highly enriched uranium. Here's what to know.

The allegations were leveled by U.S. officials late last week. Arms control experts worry that norms against nuclear testing are unraveling.

President Volodymyr Zelenskyy has dismissed Russian claims about the transfer of a nuclear weapon or "dirty" bombs to Ukraine as lies.

In March, the US intelligence community assessed that Iran was “not building a nuclear weapon.” ...

A Trump administration official said that a remote seismic station in Kazakhstan measured an “explosion” in western China on ...

Key Points and Summary - The U.S. military has suffered dozens of “Broken Arrow” nuclear weapons accidents—events involving lost weapons, accidental releases, or other serious mishaps. -Most were ...

Russia has marked the fourth anniversary of its full-scale invasion of Ukraine by claiming the UK and France are plotting a ...

Turkish FM Hakan Fidan also said that the idea that US or Israeli airstrikes on Iran could lead to regime change was "a pipe dream." ...