NASA astronauts Butch Wilmore and Suni Williams returned to Earth in a SpaceX capsule on Tuesday with a soft splashdown off Florida's coast. Credit: Supplied / NASA ...

LOS ANGELES, March 18 (Xinhua) -- NASA astronauts Suni Williams and Butch Wilmore, who had been stranded at the International Space Station (ISS) since last June, returned to Earth Tuesday afternoon.

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

NASA astronauts Suni Williams and Butch Wilmore, who have been stranded at the International Space Station since last June, started journey back to Earth aboard SpaceX's Dragon spacecraft early ...

Google支持的 FireSat 卫星群的第一颗卫星在周末成功进入轨道，开启了野火探测和监控的新时代。该星座将密切关注野火。 该星座的 50 多颗卫星全面投入运行后，几乎可以每 20 分钟对地球表面进行一次成像。

NASA astronauts Suni Williams and Butch Wilmore, who have been stranded at the International Space Station (ISS) since last ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

两名美国国家航空航天局 (National Aeronautics and Space Administration, 简称NASA)宇航员自去年夏天以来一直滞留在国际空间站，在SpaceX飞船将替换人员送到国际空间站后，将带这两名宇航员返回地球。

人类消耗的第二大自然资源是沙子，仅次于水。我们的城市是用沙子建造的，这种日益减少的资源被许多关键行业广泛消耗。每年，从河流和海岸开采的沙子接近500亿吨，是自然补充速度的两倍。随着相关的社会环境影响越来越多，迫切需要可持续地管理这种需求资源。

WENCHANG, Hainan, March 12 (Xinhua) -- A group of 18 low Earth orbit satellites was launched aboard the Long March-8 Y6 carrier rocket from the Hainan commercial spacecraft launch site in south ...

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