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Scientists May Have Found a Breakthrough Biosignature for Alien Life—But There’s a Major Hurdle
The search for alien life is one of the most captivating scientific quests of our time. With the discovery of thousands of ...
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The Road Map to Alien Life Passes Through the ‘Cosmic Shoreline’
Astronomers are ready to search for the fingerprints of life in faraway planetary atmospheres. But first, they need to know where to look — and that means figuring out which planets are likely to have ...