Iran has cut off Saudi imports as the regional powers square off.
At least four countries have rolled back diplomatic ties with Iran.
An official vowed "appropriate actions" if Iran violated U.N. resolutions.
Effort never went beyond initial steps and ended in 2009, confidential report found.
The man is at least the fourth American known to be imprisoned in Iran.
The deal is set to be adopted this weekend.
The death shines a light on Iran’s role in Syria.
"Today a new chapter has started," Hassan Rouhani said before the U.N.
The deal “is proof of the potential of political good will," Pope Francis said.
The NSA peered deep into Iranian leaders' relationships, according to a new report.
Some House Republicans want McConnell to invoke the "nuclear option."
The report is a break from earlier indications that Iran would take the lead during some...
"Obviously, it’s something that we’re concerned about," a top U.S. envoy said.
Pat Toomey's comments come after reports that Iran tested a ballistic missile.
The effort follows last week's determination that Iran halted its nuclear efforts in 2009.
The threat is part of a deep rift with Saudi Arabia.
The invitation from Russia sparked ire among critics of the Obama administration's foreign policy.
The launch would not violate the nuclear deal with Iran, officials insist.
The bill would require Iran to first pay damages to terror victims.
Rouhani made the comments ahead of his appearance at the U.N.
Ryan has “serious questions” about tax penalties for companies that do business in Iran.
Sen. Jeanne Shaheen wants to make sure the U.S. and Europe are united going forward.
The clock is ticking for Congress to avoid a shutdown.
House Republicans want to see the side deals between Iran and the IAEA.