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  "path": "/releases/2026/05/260521072357.htm",
  "publishedAt": "2026-05-22T02:47:03.000Z",
  "site": "https://www.sciencedaily.com",
  "textContent": "A hidden crater in South Korea may hold clues to one of the biggest turning points in Earth’s history: the rise of oxygen. Scientists discovered fossil-like stromatolites — layered structures built by ancient microbes — inside the Hapcheon impact crater, suggesting that asteroid strikes may have created warm, mineral-rich lakes where early oxygen-producing life could flourish.",
  "title": "Ancient asteroid craters may have sparked Earth’s oxygen-producing life"
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