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.
The US House Science, Space, and Technology Committee has approved an amendment to the NASA Reauthorization Act of 2026, directing the agency to study options for preserving the International Space Station in orbit after its planned 2030 retirement. Instead of deorbiting the station into the Pacific Ocean in 2031, the proposal calls for evaluating a safe orbital harbor. The measure received bipartisan support during the committee's markup session.
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As the US Artemis 2 crew completes its historic 10-day lunar orbit mission—the first with humans since Apollo—China is scrutinizing every detail for technical lessons to support its own astronaut lunar landing by 2030.
NASA has canceled the Exploration Upper Stage for its Space Launch System rocket as part of a major revision to the Artemis program. The decision, announced by Administrator Jared Isaacman, aims to accelerate lunar landings by focusing on surface activities and using more efficient upper stages. This move supports testing of human landers from SpaceX and Blue Origin ahead of missions in 2027 and 2028.
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Thales Alenia Space has acknowledged a manufacturing issue affecting habitation modules for NASA's former Lunar Gateway project. The company stated it will fix the problem, described as a 'well-known metallurgical behavior,' by the end of the third quarter of 2026. NASA Administrator Jared Isaacman recently disclosed corrosion in the modules during congressional testimony.
NASA has overhauled its Artemis program, postponing the first human moon landing until the Artemis IV mission in early 2028. The changes, announced by Administrator Jared Isaacman on February 27, 2026, aim to increase launch frequency and reduce risks after repeated delays with the Space Launch System rocket. An additional test flight, now Artemis III, will focus on low-Earth orbit rendezvous with commercial lunar landers.
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NASA's Space Launch System (SLS) rocket is set to launch Artemis II as soon as April 1, 2026, sending four astronauts on a crewed flyby to the Moon's far side—the farthest from Earth any humans have traveled. This follows February's Artemis program adjustments addressing SLS delays, using the rocket's powerful core stage and boosters detailed ahead of liftoff.