The top U.S. intelligence officials detailed concerns to the Senate Intelligence Committee on Wednesday, with many questions raised about cyberthreats and espionage targeting U.S. technology.

Iran on Sunday described a blackout at its underground Natanz atomic facility an act of "nuclear terrorism," raising regional tensions.

Before the U.S. pulled out, the deal gave Iran money and gave the world assurances that Iran wasn't trying to build nuclear weapons.

Here is a look inside the lives of Iranians from different walks of life — including a fitness trainer, butcher and carpet seller — and how they're coping with an economy battered by U.S. sanctions.

President Biden wants to rejoin the Iran nuclear deal that his predecessor pulled out of. It's at a standstill, but analysts say the Biden administration can make gestures to bring Iran to the table.

The conflict has not only pitted the regime of Syrian President Bashar Assad against a band of rebels, but drawn the U.S., Iran, Russia and Turkey, among others, into a complex proxy war.

Nuclear inspections have been a key part of the Iran nuclear deal. International inspectors stand to permanently lose access to key sites, unless the U.S. and Iran can find a way forward.

The Thursday strikes targeted Iranian-backed groups in eastern Syria in response to rocket attacks against Americans in Iraq.

The International Atomic Energy Agency and Iran announced an deal to keep some verification activities going for the immediate future. Iran earlier had said it would suspend snap inspections.

Arab and U.S. liberals differ on how to handle Iran and its proxies, writes Firas Maksad. He says reactions to the killing of his friend Lokman Slim, a critic of Hezbollah, are a case in point.

Grammy-winning Iranian musician Kayhan Kalhor called the U.S. home for decades, until chaotic encounters with the immigration system caused him to leave the country permanently.

Ayatollah Ali Khamenei, Iran's supreme leader, said Sunday that all U.S. sanctions must end before Tehran will return to its commitment under the 2015 nuclear accord.

President Biden's Iran policy is significantly different from that of his predecessor. But there are some things started by former President Donald Trump that Biden plans to build on.

Iran has announced new nuclear steps aimed at the incoming Biden administration, but the U.S. has leverage to push back, argues analyst Henry Rome.

It's the second time Iran has announced its hope to arrest Trump. The country says it won't stop pursuing him, even after he leaves the government later this month.