中国计划向天宫空间站添加三个模块，使其规模翻倍，同时NASA计划于2031年初退役国际空间站。国家广播电视台CCTV报道，天宫将首先安装第四个多功能模块，形成十字形配置。扩建设计将使空间站总质量达到约180吨，但尚未公布时间表。
计划正在进行中，中国天宫空间站将从当前的T形结构扩展为六模块配置。根据CCTV报道，首先将安装一个多功能扩展模块至天河核心舱，使其转变为十字形。该新模块将配备多个对接端口，包括未来一对实验室舱的位置，为最终的六模块结构铺平道路，总质量约180吨。
与此同时，NASA领导的国际空间站（ISS）将于2031年初退役。该站由15个国家贡献建造，是太空中的最大结构，已作为实验室进行了超过3000项实验。NASA计划使用SpaceX开发的专用轨道器，将其引导至南太平洋进行可控再入。
天宫扩建的细节由中国空间技术研究院相关信息支持，但尚未发布具体时间表。这一发展标志着中国在太空基础设施上的重大推进，正值国际空间站接近寿命末期。
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NASA Administrator Jared Isaacman announced the Ignition initiative on March 24, canceling the Lunar Gateway orbiting station to focus on a $20 billion three-phase moon base on the lunar surface. The shift, echoing Trump administration budget proposals, supports frequent Artemis crewed landings amid competition from China and preparations for the first crewed Artemis mission with a launch window opening April 1.
China successfully launched the Tianzhou-10 cargo spacecraft on Monday to deliver supplies to the Tiangong space station.
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China launched the Shenzhou-23 crewed spaceship on Sunday. The astronauts entered the Tiangong space station on Monday to begin handover with the Shenzhou-21 crew.
China's commercial space company CAS Space successfully debuted its Kinetica 2 carrier rocket on Monday, launching from the Jiuquan Satellite Launch Center and placing the New March 02 experimental cargo spaceship and two satellites into preset orbits. The mission marks the first use of a commercial rocket in China's manned space program.
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The first unit of JAXA’s new ISS resupply craft has completed its missions after delivering supplies to the International Space Station.
NASA has set August 30, 2026, as the launch date for the Nancy Grace Roman Space Telescope, moving the schedule up by eight months from earlier plans.
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NASA Administrator Jared Isaacman told lawmakers that SpaceX and Blue Origin expect their lunar landers to be ready for the Artemis III mission in late 2027. The mission will now test the landers in Earth orbit rather than attempting a lunar landing. This change aims to reduce risks and increase launch frequency.