{
  "id": 12722886,
  "title": "New Study Shows That Earth and Mars Had Different Origins",
  "url": "https://urgent.news/2026/10/07/new-study-shows-that-earth-and-mars-had-different-origins",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-07T21:58:00.000Z",
  "source": {
    "name": "Universe Today",
    "slug": "universe-today",
    "url": "https://www.universetoday.com/articles/new-study-shows-that-earth-and-mars-had-different-origins"
  },
  "original_language": "en",
  "account": "A groundbreaking study from the University of Copenhagen has revealed that Earth and Mars likely formed through different processes, challenging previous theories about the origins of our Solar System. Assistant Professor Haiyang S. Wang and Professor Anders Johansen, researchers from the Center for Star and Planet Formation, used a novel approach to reconstruct the earliest stages of the planets' formation by analyzing their chemical composition. The research, published in the scientific journal Nature Astronomy, suggests that Mars formed primarily from collisions between larger rocks (planetesimals), while Earth began as two protoplanets that grew through pebble accretion. This finding could have significant implications for the study of exoplanets and the search for habitable worlds. The team analyzed specific elements like sodium, zinc, and potassium, which have relatively low melting points and evaporate at high temperatures. By examining the abundance of these volatile elements, scientists were able to determine the formation processes the planets underwent. The results indicate that Earth's mantle composition, which includes Earth's crust and mantle, suggests a hybrid model that merges the two pathways. This discovery could help refine our understanding of planet formation and improve our ability to identify potentially habitable exoplanets.",
  "summary": "A surprising discovery suggests that Mars and Earth formed through different processes, which could help scientists confirm whether exoplanets are habitable.",
  "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."
}