The United States is not considering returning to Ukraine the nuclear weapons it gave up after the Soviet Union collapsed, White House national security adviser Jake Sullivan said Sunday.

As President Donald Trump announced the United States’ intervention in Israel’s airstrike towards Iranian nuclear facilities, ...

The United States has completed its successful attack on three nuclear sites in Iran, including Fordow, Natanz, and Esfahan, ...

Sir Keir Starmer has said stability in the Middle East is a priority following US strikes on Iran's nuclear facilities.

The military is considering a several options for how to respond if U.S.-Iranian negotiations crumble and they pursue a nuclear weapon.

The White House says Iran has all it needed to produce a nuclear weapon in "a couple of weeks" once given the go-ahead from Ayatollah Ali Khamenei.

Russia is telling the United States not to strike Iran because it would radically destabilise the Middle East, Russian Deputy ...

Supreme Leader Ayatollah Ali Khamenei rejected a call by US President Donald Trump for Iran's "unconditional surrender" as ...

US President Donald Trump dismissed an intelligence assessment by Director of National Intelligence Tulsi Gabbard that Iran ...

A secret Russian satellite that US officials believe ... stock.adobe.com Although not a weapon itself, Cosmos 2553 was believed to aid Russia’s development of a nuclear anti-satellite weapon.