{
  "id": 18185215,
  "title": "Interstellar Comet 3I/ATLAS Carries Methane with Record-Breaking Heavy Hydrogen",
  "url": "https://urgent.news/2026/11/04/interstellar-comet-3i-atlas-carries-methane-with-record-breaking",
  "topic": "science",
  "section": "Science",
  "published": "2026-11-04T21:22:42.000Z",
  "source": {
    "name": "Sci.News",
    "slug": "sci-news",
    "url": "https://www.sci.news/astronomy/interstellar-comet-3i-atlas-deuterated-methane-15176.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected the most deuterium-rich methane ever measured in the Solar System, hinting that the interstellar visitor’s ices formed in a cold, distant, low-metallicity environment. The post Interstellar Comet 3I/ATLAS Carries Methane with Record-Breaking Heavy Hydrogen appeared first on Sci.News: Breaking Science News .",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}