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) ...

Amid the growing scrutiny of Iran’s military and nuclear capabilities, a lesser-known but highly strategic aspect of its defense efforts has come to light: the use of the country’s rugged terrain to ...

The uranium enrichment plant President obama accused Iran of hiding is built inside a mountain next to a military site to ensure it stays online in the event of an attack, Iran's nuclear chief said.