由于成本上升，美国宇航局修改了火星样本返回任务。 NASA revises Mars Sample Return mission due to rising costs .

由于成本不断上升和时间延长，美国宇航局正在修改其火星样本返回任务，寻求开发一种成本更低的替代方案。 NASA is revising its Mars Sample Return mission due to escalating costs and extended timelines, seeking to develop a lower-cost alternative. 独立评论估计，该任务的成本可能高达 110 亿美元，并且无法在 2040 年之前将样本带回地球。 Independent reviews have estimated the mission could cost up to $11 billion and not return samples to Earth before 2040. 目前，美国宇航局正在向机构工程师、研究人员和私营部门寻求新想法，以创建一个新的、更高效的任务设计。 NASA is now turning to fresh ideas from agency engineers, researchers, and the private sector to create a new, more efficient mission design.