Kamran Hekmati didn’t have concerns about going to Iran earlier this year for what was supposed to be a brief trip.

Iran is legally obliged to cooperate with the IAEA under the Nuclear Nonproliferation Treaty. But it has not yet provided ...

Iran is willing to resume nuclear talks with the United States if they are conducted respectfully, a senior Iranian official ...

Iran has asked Saudi Arabia to persuade the U.S. to revive stalled nuclear talks, underlining Tehran's anxiety over a ...

Head of UN agency acknowledges 'line was crossed' by attacks, but says they don't absolve Iran from fulfilling its obligations ...

Engineers from the Jewish state built an efficient infrastructure. Then came the 1979 revolution.

Iranian Foreign Minister Abbas Araghchi called for the United Nations to impose "appropriate measures" against the United ...

An NBC News film crew was given exclusive access to the National Aerospace Park on Wednesday, a rarity for a foreign news organization.

WASHINGTON (AP) — Mexican authorities with assistance from the United States and Israeli intelligence agencies thwarted an ...

Iran has released a Marshall Islands-flagged tanker and its 21 crew members, days after seizing the ship without explanation.