{
  "id": 1520695,
  "title": "When Did Animals Start Giving Birth to Live Young? This 236-Million-Year-Old Fossil Might Rewrite Mammals' Evolutionary History",
  "url": "https://urgent.news/2026/08/17/when-did-animals-start-giving-birth-to-live-young-this-236-million",
  "topic": "science",
  "section": "Science",
  "published": "2026-08-17T16:23:49.000Z",
  "source": {
    "name": "Smithsonian",
    "slug": "smithsonian",
    "url": "https://www.smithsonianmag.com/smart-news/when-did-animals-start-giving-birth-to-live-young-this-236-million-year-old-fossil-might-rewrite-mammals-evolutionary-history-180989343/"
  },
  "original_language": "en",
  "account": null,
  "summary": "A bone feature found in a mammal ancestor hints that the creature was relatively large as a newborn, more in line with the size of a creature birthed live than hatched from an egg. Still, it provides only indirect evidence",
  "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."
}