What We Know About Iran’s Nuclear Program: QuickTake

Jan. 28, 2026, 6:16 PM UTC

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. But that accord was undercut three years later when President Donald Trump unilaterally withdrew the US from the pact during his first term in office.

While the second Trump administration engaged in talks to try to reach a new agreement last year, those negotiations collapsed after Israel and the US bombed Iran’s nuclear facilities in June.

Trump warned in January that ...

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