Iran's Supreme Leader, Ayatollah Ali Khamenei, on Thursday declared an Iranian victory over the United States, claiming its ...

Iran's supreme leader warned the U.S. would face "irreparable damage" if it joined Israel's conflict with Iran. Who is Ayatollah Ali Khamenei?

Ayatollah Ali Khamenei's power is challenged after Israel's strike on Iran's nuclear sites, weakening regional allies and compromising his inner circle.

Israeli Prime Minister Benjamin Netanyahu has not ruled out assassinating Iran's 86-year-old supreme leader Ayatollah Ali Khamenei, the figurehead of what he calls an "existential" threat to Israel.

Over several decades in power, Iran’s Ayatollah Ali Khamenei has built up regional proxy forces and a formidable missile arsenal with the aim of deterring precisely the kind of direct assaults ...

Iran’s 86-year-old supreme leader Ayatollah Ali Khamenei cuts an increasingly lonely figure. Khamenei has seen his main military and security advisers killed by Israeli air strikes, leaving big ...

Iran’s 86-year-old Supreme Leader Ayatollah Ali Khamenei cuts an increasingly lonely figure. Khamenei has seen his main military and security advisers killed by Israeli airstrikes, leaving major ...

Ayatollah Ali Khamenei in Tehran last year. He was born in 1939 into a religious family of modest means and rose quickly in the regime that took power after the Iranian Revolution of 1979.