Photos show increased spaceport activity ahead of 1979 Islamic Revolution anniversary, when Tehran usually unveils tech achievements

Mutual suspicion between Washington and Tehran has reached a level unseen since the Islamic Revolution, with people continuing to be used as bargaining chips

Ahead of 40th anniversary of attack, Ebrahim Asgharzadeh denies seizure was directed by Revolutionary Guards, says plan was to hold a sit-in

Iranian leader says America's hostile actions have 'increased the greatness of the IRGC' but its armed forces must become more self-sufficient

Decades later, austere and charismatic cleric who founded the Islamic republic remains an icon and national hero for standing against the West