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  "path": "/releases/2026/04/260414075642.htm",
  "publishedAt": "2026-04-14T10:20:28.000Z",
  "site": "https://www.sciencedaily.com",
  "textContent": "In the aftermath of Earth’s most catastrophic extinction event, one unlikely survivor rose to dominate a shattered world: Lystrosaurus. Now, a stunning fossil discovery—an ancient egg containing a curled-up embryo—has finally answered a decades-old mystery about whether mammal ancestors laid eggs. Using advanced imaging technology, scientists confirmed that these resilient creatures did reproduce this way, likely producing large, soft-shelled eggs packed with nutrients.",
  "title": "Mammal ancestors laid eggs, and this 250-million-year-old fossil finally proves it"
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