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  "path": "/news2/space/newsid=69188.php",
  "publishedAt": "2026-04-20T11:32:58.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "Researchers propose a population-scale biosignature based on how life may spread between planets.",
  "title": "A new way to detect life beyond Earth without knowing what life looks like"
}