{
  "id": 7355666,
  "title": "The Planet Mercury Appears to Have Shrunken Drastically, “Like a Balloon Left Out in the Cold”",
  "url": "https://urgent.news/2026/09/14/the-planet-mercury-appears-to-have-shrunken-drastically-like-a",
  "topic": "world",
  "section": "World",
  "published": "2026-09-14T16:28:16.000Z",
  "source": {
    "name": "Futurism",
    "slug": "futurism",
    "url": "https://futurism.com/future-society/mercury-shrunken-drastically-faster"
  },
  "original_language": "en",
  "account": "New research suggests that the planet Mercury is shrinking at an accelerated rate, leaving behind a crisscrossed surface like an old apple. Mercury, already the smallest planet in our solar system, is losing up to 14.5 miles of diameter since its formation billions of years ago. This shrunken size is ten to 30 percent more than previously believed. Scientists from the German Aerospace Center's Institute of Space Research propose that impact debris from craters may be concealing this acceleration, akin to a balloon losing heat. This process, often attributed to Mercury running out of heat, could reveal insights into the planet's internal structure and evolution. The presence of scarps and ridges on Mercury's surface, along with impact debris obscuring shrinking structures, offers a challenging yet promising area of study for future missions like the European Space Agency's and Japan Aerospace Exploration Agency's BepiColombo, set to enter Mercury's orbit in November.",
  "summary": "It's deflating even faster than we thought. The post The Planet Mercury Appears to Have Shrunken Drastically, “Like a Balloon Left Out in the Cold” appeared first on Futurism .",
  "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."
}