{
  "id": 17966135,
  "title": "Mars-bound astronauts could face years of heart scarring, rat study hints",
  "url": "https://urgent.news/2026/11/03/mars-bound-astronauts-could-face-years-of-heart-scarring-rat-study",
  "topic": "science",
  "section": "Science",
  "published": "2026-11-03T11:40:35.000Z",
  "source": {
    "name": "Live Science",
    "slug": "live-science",
    "url": "https://www.livescience.com/space/space-exploration/cosmic-rays-could-scar-the-heart-raising-risks-for-mars-bound-astronauts-rat-study-hints"
  },
  "original_language": "en",
  "account": null,
  "summary": "Rats that were exposed to radiation similar to what Mars-bound astronauts might face showed higher levels of scar tissue in their hearts, indicating they were more vulnerable to heart failure.",
  "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."
}