A new book details the turn-of-the-century Mars craze It’s not aliens. It’s never aliens. Claims of extraterrestrial life are so common that experts now have this cheeky retort at the ready. In The ...
NASA's Perseverance rover may have captured early images of interstellar comet 3I/ATLAS. While a viral photo shows a bright, cylindrical object, experts suggest it's likely a photographic artifact ...
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