The three taikonauts on China's orbiting Tiangong space station recently completed their third spacewalk. Unlike their ...

BUDAPEST, Aug. 18 (Xinhua) -- Hungarian astronaut Tibor Kapu returned to Budapest on Monday to a hero's welcome after completing a mission aboard the International Space Station (ISS).

在失重状态的太空环境中，氧气生产是一项极具挑战性的任务。但科学家们发现，简单地增加一块磁铁就能简化电解过程，从而更有效地制备氧气。