Tehran has denied it seeks nuclear weapons and said it was willing to accept some curbs in exchange for sanctions relief.

The head of the U.N. nuclear watchdog agency says Iran's enriched uranium "is still there," as he stresses the urgency of diplomacy to avert a U.S.-Iran war.

The question of whether Iran's Supreme Leader Ali Khamenei has authorised the development of nuclear weapons has taken on urgency following the devastating 12-day conflict with Israel in June. Israeli and US strikes severely damaged Iran's nuclear ...

WASHINGTON — American and Iranian negotiators have hashed out “guiding principles” for an agreement during the second round of talks on Tehran’s nuclear program, according to Iran Foreign Minister Abbas Araghchi.

Which Trump are we supposed to believe here? And – yes – I think not believing either version is an option.

The United States positions military assets as Trump warns Iran of possible strikes, Israel expands air operations inside Lebanon, Washington advances nuclear cooperation talks with Saudi Arabia, and Ukrainian authorities investigate an explosion in central Lviv.

Iran and the United States are sliding rapidly towards military conflict as hopes fade for a diplomatic solution to their standoff over Tehran’s nuclear programme, officials

Satellite images analysed by Sky News' Data and Forensics team show Iran has fortified its nuclear and defence facilities, alongside conducting live drills with Russian forces amid rising tensions with the US military.