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SETI discovery suggests alien messages have already reached Earth—but we kept missing them
Astronomers at the Search for Extraterrestrial Intelligence (SETI) Institute have identified a physical mechanism that could finally explain the galaxy's radio silence, suggesting that advanced ...
Astronomers have discovered a strange new type of exoplanet known as a Hycean world—an ocean-covered planet with a thick hydrogen atmosphere. One of the most intriguing examples is K2-18b, located 124 ...
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