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  "path": "/science/news-science/interstellar-comet-12-billion-years-old/",
  "publishedAt": "2026-06-23T11:18:50.000Z",
  "site": "https://www.zmescience.com",
  "tags": [
    "News",
    "Space",
    "3I/ATLAS",
    "asteroid",
    "comet"
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  "textContent": "A process called ‘hot bottom burning’ helped scientists determine the age of 3I/ATLAS.",
  "title": "Interstellar Comet 3I/ATLAS Is 12 Billion Years Old, Almost Three Times Older Than the Solar System"
}