Iran is skilled at prolonging negotiations over its nuclear program, and seems to be hoping President Trump is out for a quick win, rather than a prolonged regional war.

US President Donald Trump warned that Iran’s supreme leader should be “very worried,” as both sides prepare for their first formal negotiations since the United States bombed Tehran’s nuclear program last year.

Ayatollah Ali Khamenei, Iran’s supreme leader, has vowed to unleash a regional war if America launches air strikes. Initially few in the Middle East seemed eager for further conflict. The region’s power-brokers tried to dissuade America from military action. But attitudes now look more mixed.

Iran requested to move talks from Turkey, Secretary of State Rubio confirms. Rubio laid out what topics needed to be discussed for a "meaningful" result.

Satellite images that have shown some recent activity around two Iranian nuclear sites bombed last year by Israel and the U.S. suggest Iran may be trying to recover materials from the area.

Low oil prices give President Donald Trump more leverage over Iran, U.S. Energy Secretary Chris Wright said Friday, speaking as the two adversaries teeter on the brink of another conflict.

The presence of Navy Adm. Brad Cooper, the head of Central Command, at the talks in Oman served as a reminder that U.S. warships stood off the coast of Iran in the Arabian Sea. President Trump said more talks were planned for next week.

Repairs at key missile sites began soon after they were hit by Israeli and U.S. strikes last year, but work at Iran’s nuclear facilities has been slower.

The 37-year-old Iranian beautician marched with her friends through the streets in her hometown of Karaj, taking video as they chanted against Iran's rulers