Iran's supreme leader said Thursday that the Islamic Republic will protect its “nuclear and missile capabilities” as a national asset, likely seeking to draw a hard line as President Donald Trump presses for a wider deal to cement the war's shaky three-week ceasefire.

Iran has emerged from five weeks of punishing U.S. and Israeli bombing with most of the tools it needs to make a nuclear bomb intact, officials and experts say, giving its negotiators another lever for pressing Washington to make concessions. While Iran ...

The United States and Iran have clashed over Tehran’s nuclear program as a review of the treaty meant to prevent the spread of atomic weapons got underway at the United Nations.

The International Atomic Energy Agency (IAEA) Director General Rafael Grossi on Wednesday warned against the “illusion” of an agreement with Iran that does not clearly outline a method to assess its nuclear development. “Iran has a very ambitious ...

‘Strike on Iran: The Nuclear Question’ investigates the status of Iran’s nuclear program amid the second round of U.S.-Israeli military action in less than a year. A composite image shows filmmaker and correspondent Sebastian Walker and a building in ...

President Trump ripped up a pact designed to prevent Iran from building a bomb. Getting a better agreement now could prove difficult.

When Iran’s covert nuclear program came to international attention over two decades ago, Tehran insisted that its intentions were peaceful and that it had no plans to develop weapons. The country’s then-supreme leader, Ayatollah Ali Khamenei, even went ...

Iran’s Foreign Ministry spokesperson Esmail Baghaei has confirmed that officials are currently assessing a counter-proposal from the United States aimed at halting the ongoing conflict, according to a report by Al Jazeera.