{
  "id": 1737455,
  "title": "JWST Peeks at Callisto’s Ancient Scars",
  "url": "https://urgent.news/2026/08/18/jwst-peeks-at-callistos-ancient-scars",
  "topic": "science",
  "section": "Science",
  "published": "2026-08-18T15:22:54.000Z",
  "source": {
    "name": "Universe Today",
    "slug": "universe-today",
    "url": "https://www.universetoday.com/articles/jwst-peeks-at-callistos-ancient-scars"
  },
  "original_language": "en",
  "account": null,
  "summary": "Of Jupiter’s four Galilean moons, Callisto is the one that gets the least attention. Io is constantly being resurfaced by volcanoes. Europa has a giant liquid water ocean. And Ganymede has its own magnetic field that interacts with its parent planet in weird ways. Callisto, by comparison, seems sedate, with its ancient, crater-saturated surface seemingly frozen in time. But new data from the…",
  "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."
}