President Trump is pressuring Iran to either curtail its nuclear program or face military strikes, after Iran amassed a large stockpile of highly enriched uranium. Here's what to know.

In the longest-ever State of the Union speech, the president also took credit for a “trillion-dollar” defense budget, while falsely claiming that tariffs funded a pay bump for troops.

Iran wants to make a "deal" more than the U.S., President Donald Trump said Tuesday, ahead of a third round of bilateral talks in Switzerland later this week.

Iran has faced suspicion for decades over its nuclear ambitions and whether it’s developing the capability to fire an atomic weapon. It agreed to cap its nuclear activities in exchange for sanctions relief in a landmark 2015 international deal.

Dr. Lynette Nusbacher told The Jerusalem Post that the US prepared for targeted air strikes if Tehran failed to negotiate in good faith, as Iran sought an interim deal to shield its missile program.

The head of the U.N. nuclear watchdog agency says Iran's enriched uranium "is still there," as he stresses the urgency of diplomacy to avert a U.S.-Iran war.

The government in Tehran sees capitulating to Washington’s demands on uranium enrichment and ballistic missiles as riskier to its survival than going to war, analysts say.

Iran’s supreme leader is facing one of the most consequential decisions of his more than 30 years in power this week: strike a deal with President Trump to severely limit the country’s nuclear