问题的核心在于资金。报道称，NASA正承受着巨大的预算削减压力。缺乏资金支持就无从谈起科学领域的领先地位。特朗普总统曾要求将 美国军费预算大幅提升至1.5万亿美元，增幅高达50%，如此挥霍无度的军费增长，很难说与NASA的预算削减毫无关联。 政治因素同样不容忽视。NASA原本计划与欧洲航天局合作开展这项任务，但当前美国政府对欧洲国家及欧盟频频发出威胁，甚至扬言要动 用军事力量夺取格陵兰岛，如此局势下，双方的合作很可能已彻底告吹，且未来重启合作的可能性微乎其微。 "火星样本取回"任务或许有朝一日会重启，欧洲航天局也可能独自推进相关任务。而中国早已制订了火星样本返回计划，有望成为首个取回 火星样本的国家。 据参考消息援引西班牙《机密报》网站1月10日报道， 美国国家航空航天局（NASA）与欧洲航天局合作开展的火星样本返回任务因预算削 减被迫取消。中国的火星样本返回计划预计于2031年实施，届时中国或将成为首个将火星样本带回地球的国家。 NASA的"火星样本取回"任务（MSR）似乎在繁琐的行政程序中告吹。这项任务本应成为火星研究领域的巅峰之作，有望解答火星远古时期 是否宜居等诸多关键问题。然而，美国国会大幅削减了该 ...

Core Insights - NASA's Perseverance rover has made significant discoveries that suggest the possibility of ancient microbial life on Mars, particularly in the Jezero Crater [1][2] - The findings include unique rock samples that may contain evidence of biological activity dating back 3.5 billion years [1][3] Group 1: Discovery Details - The Perseverance rover identified a rock layer called "Bright Angel" in the Nerretwa Canyon, which may have formed in a water-rich environment [2][3] - The rover found green spots, referred to as "poppy seeds," containing a phosphorus-rich mineral called blue iron ore [2][3] - The "Chiawa Falls" rock sample contains small circular structures known as "leopard spots," which are composed of iron minerals that could indicate past microbial activity [2][3] Group 2: Scientific Interpretation - Researchers are cautious in labeling these findings as definitive signs of life, preferring the term "potential biosignatures" [3][4] - The study emphasizes the need for multiple lines of evidence to confirm any signs of life, as non-biological processes could produce similar mineral formations [4][5] - The current evidence is considered indirect, and further analysis is required to establish a direct link to ancient life [3][5] Group 3: Future Exploration - Returning Martian samples to Earth is deemed crucial for validating the findings and conducting more advanced analyses [5][6] - Various countries, including China, are advancing their Mars exploration missions, with plans for sample return missions to further investigate potential life signs [6][7] - The European Space Agency's Rosalind Franklin rover is also set to join the Mars exploration efforts, highlighting the global interest in uncovering the mysteries of Martian life [7]

Core Viewpoint - The White House budget proposal suggests the cancellation of the Mars Sample Return mission, indicating a shift in priorities for space exploration funding [1] Group 1: Budget Implications - The proposed budget reflects a significant reallocation of resources within NASA, potentially impacting future space exploration initiatives [1] - The cancellation of the Mars Sample Return mission could lead to a decrease in funding for related scientific research and technology development [1] Group 2: Industry Impact - The decision may affect partnerships with private aerospace companies involved in the Mars Sample Return mission, potentially leading to financial repercussions for these firms [1] - The cancellation could also influence investor sentiment towards the space exploration sector, as it raises questions about the government's commitment to ambitious space projects [1]