一名美国政府官员表示，尽管钇和钪的短缺尚未直接拖累喷气发动机和芯片的产量，但部分美国制造商已出现来自中国的特定稀土原料“短缺”问题。
NASA Administrator Jared Isaacman announced sweeping changes to the Artemis program on Friday morning, including an increased cadence of missions and cancellation of an expensive rocket stage.
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Nature, Published online: 25 February 2026; doi:10.1038/s41586-025-10095-x