Israeli Prime Minister Benjamin Netanyahu was expected to push Trump at a meeting Wednesday for Tehran's ballistic missile arsenal to be included in any nuclear deal.

Iran has faced suspicion for decades over its nuclear ambitions and whether it’s developing the capability to fire an atomic weapon. It agreed to cap its nuclear activities in exchange for sanctions relief in a landmark 2015 international deal.

Iranian security official Ali Larijani is traveling to Oman, the country currently mediating talks between Tehran and the United States over Iran's nuclear program

According to Prof. Amatzia Baram of the University of Haifa, political optics weigh heavily in Washington, making a strong, enforceable nuclear deal the top priority.

Iran marked the 47th anniversary of its 1979 Islamic Revolution on Wednesday as the country’s theocracy remains under pressure, both from U.

The U.S. faced two very different nuclear challenges across two continents Friday. For the first time since last year’s war with Iran, U.S. and Iranian diplomats restarted indirect talks over Tehran’s nuclear program.

As U.S.-Iran nuclear diplomacy continues, Israel warns that limiting talks to atomic program while ignoring ballistic missiles leaves Jerusalem "exposed."

US-based think tank says moves show Tehran 'seriously concerned' about US or Israeli attacks, says similar preparations were taken ahead of US strikes on nuclear sites last June