Iran has spent decades building multi-tiered military capabilities at home and across the region that were at least partly ...

Israel has carried out attacks on Iran's nuclear facilities, alleging Tehran was getting close to obtaining a nuclear weapon.

Prior to the attack, Iran had threatened to retaliate against the U.S. if it became involved in its conflict with Israel.

Much of the focus on Iran’s nuclear program has been on Tehran’s enrichment of uranium, but experts also keep a close watch ...

Secretary of State Marco Rubio told Politico on Wednesday that Iran was ” much further away from a nuclear weapon” following ...

A reactor in Tehran is a monument to the U.S. relationship with Iran when the country was led by a secular, pro-Western ...

President Donald Trump tried to keep a fragile ceasefire between Israel and Iran in place Tuesday as reports emerged ...

Iran's parliament approved a bill on Wednesday to suspend cooperation with the U.N. nuclear watchdog, state-affiliated news ...

Iranian lawmakers have voted to suspend cooperation with the UN's nuclear watchdog after US strikes targeted the country's ...

Meanwhile, nearly 400 kilograms, or 880 pounds, of uranium enriched to 60% purity is still publicly unaccounted for.

“Certainly, North Korea doesn’t rue the day it acquired nuclear weapons,” said Christopher R. Hill, who led lengthy, ...

U.S. President Donald Trump said Iran will never rebuild its nuclear facilities and that his country's strikes had caused ...