3I/ATLAS Mystery: Why Harvard Scientist Fears Humanity Is Unprepared For Alien Invasion

Harvard's Avi Loeb warns interstellar comet 3I/ATLAS could be alien tech. Experts weigh in on planetary defence and the risks ...
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Mars beat NASA’s InSight, and the reason changes the story

Mars ended NASA’s InSight mission on its own terms, not with a dramatic crash or a catastrophic malfunction, but with a slow, ...