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.

The following is the Feb. 9 2026, Congressional Research Service In Sight report, Iran’s Nuclear Program and UN Sanctions Reimposition. From the report UN Security Council Resolution 2231 (2015), which the council adopted on July 20,

The question of whether the US can destroy the Pickaxe Mountain nuclear facility will partly be an intelligence race of who can outwit whom, matching offensive and defensive capabilities.

American and Iranian officials are meeting in Switzerland to discuss U.S. demands for Iran to abandon its nuclear program, as President Trump threatens military action.

US strikes on three Iranian nuclear sites in June slowed down the nuclear program, likely buried Iran’s stockpile of highly enriched uranium, and effectively paused enrichment activities. The attacks prompted Iran to reevaluate its nuclear strategy, and ...