KIC 8462852, aka Tabby’s star, shows a pattern of behavior that has perplexed scientists and fascinated amateurs. We still don’t know what’s causing it For more than 50 years, we’ve been scanning the ...
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Why some still think aliens built the Giza Pyramids
The Giza Pyramids are among the best documented construction projects of the ancient world, yet a stubborn slice of popular culture still credits them to visitors from another planet. I want to ...
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