据美国宇航局网站报道，好奇号火星车近日对获取的岩石钻探样本进行分析的结果显示，这颗红色星球在地质历史时期可能曾经拥有足以支持微生物存活的宜居环境。
U.S. space agency NASA announced Tuesday that its Curiosity rover has discovered evidence that Mars could have supported a habitable environment several billion years ago.