Iran Revolutionary Guard

Our cover story this week explores the opportunities and risks accompanying Syria's shift from being a corridor of Iranian influence to a state intent on containing it

A company built around one man must now learn to run without him

Democratic control of Congress will increase scrutiny of the war and its economic costs, but could also make the concessions needed for a lasting agreement with Tehran more difficult to deliver

Artificial intelligence can analyse facial features for clues to biological ageing and cancer survival, but further validation is needed before clinical use

Following an historic landslide, a new progressive wave is calling for establishment figures to step aside and make way for new blood who better represent the future direction of the party