NASA在岩石样本中发现了古代火星生命的线索 但还没有证据 NASA finds hints of ancient Mars life in rock samples, but no proof yet.

美国航天局根据机器人飞行任务的数据报告了火星上古代生命的潜在迹象,包括有机分子和古岩中可能的生物标志,尽管尚未找到确切的证据。 NASA has reported potential signs of ancient life on Mars based on data from robotic missions, including organic molecules and possible biosignatures in ancient rocks, though no definitive proof has been found. 2025年11月20日的新闻发布会上讨论了这些调查结果,这些结论来自对Jezero Crater和Perseverance rover样本的研究。 The findings, discussed in a November 20, 2025, press conference, stem from studies of Jezero Crater and Perseverance rover samples. 美国航天局强调证据仍然未经证实,需要进一步分析。 NASA emphasized the evidence remains unconfirmed and requires further analysis. 这一宣布与关于彗星3I/ATLAS的公开猜测同时发生,美国航天局证实这是一个自然彗星,而不是一个外星航天器。 The announcement coincided with public speculation about comet 3I/ATLAS, which NASA confirmed is a natural comet, not an alien spacecraft. 中国科学家还发现了8个火星洞穴 可能由古代水形成 可能蕴藏微生物生命 Chinese scientists also identified eight Martian caves possibly formed by ancient water, which could harbor microbial life. 2025年12月19日 彗星将经过地球269百万公里 The comet will pass 269 million kilometers from Earth on December 19, 2025.