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  "path": "/science/astronomy/scientists-say-earths-core-could-be-hiding-the-equivalent-of-up-to-45-oceans-of-water/",
  "publishedAt": "2026-02-18T16:29:45.000Z",
  "site": "https://www.zmescience.com",
  "tags": [
    "Astronomy",
    "Chemistry",
    "Geology",
    "News",
    "Space & Astronomy",
    "Earth’s core",
    "ETH Zurich",
    "hydrogen",
    "hydrogen ocean"
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  "textContent": "Deep Earth conditions created in a lab reveal the core is chemically packed with hydrogen.",
  "title": "Scientists Say Earth’s Core Could Be Hiding the Equivalent of up to 45 Oceans of Water"
}