{
  "id": 17113359,
  "title": "Planetary collisions may help young worlds hold on to their atmospheres",
  "url": "https://urgent.news/2026/10/29/planetary-collisions-may-help-young-worlds-hold-on-to-their",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-29T19:30:01.000Z",
  "source": {
    "name": "Phys.org",
    "slug": "phys-org",
    "url": "https://phys.org/news/2026-10-planetary-collisions-young-worlds-atmospheres.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "A new study lets some of the air out of a long-held theory that growing, rocky planets will lose their atmosphere if they smash into a large object in space.",
  "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."
}