Since the US bombed Iran's key nuclear sites last year, analysts say work has increased at a secret underground facility that could be used to restart Tehran's nuclear program.

Iran is blocking the International Atomic Energy Agency (IAEA) from inspecting multiple sites of interest in its nuclear weapons development programme, a senior source in the European Union’s (E.U.’s) ...

Mount Damavand is many things at once: a dormant volcano, a national icon, a climber's proving ground, a wildlife refuge, and now, an unwilling witness to modern warfare ...