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

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

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

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

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

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

A classified preliminary US intelligence report has concluded that American strikes on Iran set back Tehran's nuclear program ...

An early intelligence assessment reportedly found that Tehran’s nuclear program was only set back by months after U.S. military strikes on three Iranian nuclear facilities this past weekend, ...

A classified U.S. report showed the United States’ attack on Iran’s nuclear sites only set back the country’s nuclear program ...

The US dropped a barrage of massive bunker-buster bombs on three Iranian nuclear sites early Sunday in a strike Trump quickly hailed as a “bullseye.” ...

Thousands of people took to Tehran's Enghelab Square in protest amid continued airstrike exchanges between Iran and Israel ...

Israeli Prime Minister Benjamin Netanyahu declared a "historic victory" on Tuesday after agreeing a ceasefire with Iran and ...