How to build a space hotel
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DARPA built an AI to fact-check enemy weapons claims
- 02/14/2026, 5:31 AM
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Readers respond to the January 2026 issue
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May 2026: Science History from 50, 100 and 150 Years Ago
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An asteroid extinguished all the dinosaurs except for birds. Here’s why
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New evidence links heart disease to inflammation—and drugs can stop it
- 04/14/2026, 6:31 AM
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Science crossword: Hot stuff
- 04/14/2026, 6:31 AM
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