The UN atomic watchdog says it believes Iran conducted activities relevant to developing nuclear weapons at least until the end of 2003. Tehran had consistently denied its nuclear work had a military component.
The U.S. State Department is investigating the fate of an Iranian-American man who was reportedly executed in Iran for murder last month.
A well-known Iranian poet and songwriter has been arrested in Tehran for reasons that remain unclear.
Iraq has blamed Iran following a breach of the border by thousands of Iranian pilgrims who reportedly broke down fences and injured guards.
Iran has denied any links to two detained Kenyan nationals who were allegedly planning to stage a terrorist attack against western targets in Nairobi.
An Iranian government official says the country has potential to generate more revenue from mining than it does from oil.
Iran has unveiled a new model of oil contracts aimed at attracting foreign energy companies once sanctions are lifted under a nuclear deal reached earlier this year.
Iran says it has not reciprocated cyberattacks it has faced in past years with a similar response.
Iran has held a ceremonious funeral for its former ambassador to Lebanon, who was killed in the hajj stampede outside the Muslim holy city of Mecca in September.
The UN's nuclear watchdog says its report on whether Iran has in the past carried out work related to nuclear weapons will not make a clear-cut conclusion.
The body of a former Iranian diplomat missing since the September hajj stampede in Saudi Arabia has been found, Iranian news agencies have reported.
Moscow expects to begin supplying advanced S-300 antiaircraft missile systems to Iran before the end of this year, a top Russian official has said.