The Senate may finally vote on Loretta Lynch's nomination for attorney general.
Rep. Dan Kildee (D-Mich.) called for Amir Hekmati's release.
The House and Senate are back to work after a two-week spring recess.
Ash Carter said if needed, the U.S. has a military option to stop Iran's nuclear program.
Criticism mounted after reports of a "breakthrough" weren't followed by a formal agreement.
"We will continue to isolate Iran as much as we can," said Sen. Ben Cardin (D-Md.)
The lawmakers say in letter that any deal must "foreclose any pathway to a bomb."
The man who spearheaded the GOP's letter to Iran speaks on CBS' "Face the Nation."
“The president doesn’t care about America’s national security,” he said.
Secret Service Director Joseph Clancy will testify before Congress next week days after a report...
The Tennessee Republican warned a U.N. vote would "undermine Congress's appropriate role."
OPINION | Dissenters have now agreed publicly that the letter was a dumb idea.
The State Department on Wednesday would not say whether sanctions on Iran would be lifted...
Kerry and other Cabinet officials will meet House lawmakers on Monday.
The framework's terms mark a shift from President Obama's stated goals just 18 months ago.
Sen. Bob Corker warned the White House not to go straight to the United Nations.
Sen. Tom Cotton said Congress should "act immediately" to approve new sanctions.
Administration officials say they’re hoping to finalize an agreement by the end of the month.
The letter reminds Obama that only Congress can grant permanent sanctions relief.
White House festivities for Nowruz come amid tense times between the U.S. and Tehran.
Quiz highlights quotations about Iran nuclear talks.
However, "there’s an alignment of some interest," according to the head of the CIA.
"The open letter authored to the leadership of Iran is a reckless and hyperpartisan attempt," Rep....
Kerry denied that the anti-ISIS strategy is taking a back seat to the nuclear talks.