The attack on the UK embassy in Tehran was clearly endorsed by the regime and signals more troubles ahead on the effort to contain its nuclear program, says expert Robin Wright.

Concern about Arab world pro-democracy movements has caused Iran’s government to get tougher with opponents and is affecting political jockeying for parliamentary elections in 2012 and the presidenti…

Mark Fitzpatrick, a nonproliferation policy expert on Iran, says the chance exists that in the aftermath of Iran’s disputed presidential election, a "new need for legitimacy could make it more willin…

Hossein Bastani, an Iranian journalist, discusses the split within Iran between the so-called neoconservatives, who support Ahmadinejad, and the more traditional conservatives, who support the older …

David Albright, a well-known expert on Iranian and North Korean nuclear programs, says although Iran is making some progress toward developing a uranium-enrichment program, it has achieved “a lot les…