Talks between Iran and the United States over Tehran’s rapidly advancing nuclear program are “in a very crucial” stage.

The UN nuclear watchdog should play a role in nuclear talks between Tehran and Washington, International Atomic Energy Agency ...

But Iran’s foreign minister said Tehran planned to participate “calmly and coolly” in the negotiations. Both sides will meet ...

Iranian Foreign Minister Abbas Araghchi, says Tehran's right to uranium enrichment is non-negotiable as Washington demands halt.

As Iran’s nuclear program advances, the critical question of whether Tehran would need to conduct nuclear tests to ensure its weapons are effective looms over the consciousness of the international ...

DUBAI, United Arab Emirates — Iran confirmed Wednesday that the next round of nuclear talks with the United States this ...

A day after he said Iran could continue low-level enrichment, President Trump’s envoy appeared to backtrack..

Iran has faced suspicion for decades over its nuclear ambitions and whether it’s developing the capability to fire an atomic ...

The recent U.S. deployment of B-2 bombers, the only planes able to launch the most powerful bunker-busting bombs, to within ...

Iran’s supreme leader said Tuesday that the first round of talks with the United States went “well,” in his first public comment on the negotiations, state television reported. The comments by Supreme ...