BEIJING, Dec. 9 (Xinhua) -- Shenzhou-21 astronauts Zhang Lu and Wu Fei completed the first series of extravehicular activities (EVAs) of their mission on Tuesday, donning newly delivered ...

As a member of the Nuclear Non-Proliferation Treaty (NPT), Iran has signed a safeguards agreement with the IAEA, "which has been prepared in a way to govern normal circumstances, not the ones ...