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  "path": "/life-learned-to-breathe-oxygen-hundreds-of-millions-of-years-earlier-than-scientists-thought/",
  "publishedAt": "2026-02-08T06:07:00.000Z",
  "site": "https://scitechdaily.com",
  "tags": [
    "Biology",
    "Atmospheric Science",
    "Earth Science",
    "Evolutionary Biology",
    "Life",
    "MIT"
  ],
  "textContent": "A recent study indicates that aerobic respiration may have emerged far earlier than scientists once believed. Oxygen is everywhere on Earth today. But that hasn’t always been the case. Scientists think oxygen only became a lasting part of the atmosphere about 2.3 billion years ago during the Great Oxidation Event (GOE), a turning point that [...]",
  "title": "Life Learned To Breathe Oxygen Hundreds of Millions of Years Earlier Than Scientists Thought"
}