{
  "id": 172532,
  "title": "Venus's polygonal plains could point to a watery past",
  "url": "https://urgent.news/2026/08/05/venuss-polygonal-plains-could-point-to-a-watery-past",
  "topic": "science",
  "section": "Science",
  "published": "2026-08-05T12:00:09.000Z",
  "source": {
    "name": "Phys.org",
    "slug": "phys-org",
    "url": "https://phys.org/news/2026-08-venus-polygonal-plains-watery.html"
  },
  "original_language": "en",
  "account": "Recent research published in Earth and Planetary Science Letters suggests that Venus's polygonal plains may indicate a watery past. Richard Ghail, a planetary scientist from the University of London, has analyzed Venus's distinctive surface features, which include networks of cracks in the low-lying plains. Initially, these cracks were thought to be the result of volcanic cooling, but Ghail's team proposes an alternate explanation. They argue that the polygon shapes are reminiscent of cracks formed by the desiccation of waterlogged clay on Earth's seafloor, a process known as saltation. This comparison is not without precedent, as it parallels similar events on Earth, such as the Messinian salinity crisis, where the Mediterranean Sea nearly evaporated 6 million years ago. The researchers also point to Venus's \"canali\" channels, which they believe could be the remnants of submarine channels carved by ancient water flow. Additionally, wrinkled ridges across Venus's lowlands may be evidence of thick salt deposits left behind as the planet's oceans evaporated. While Ghail's team acknowledges that volcanic explanations cannot be entirely ruled out, their findings bolster the possibility that Venus once harbored stable, long-lived oceans capable of supporting life. They emphasize that more detailed observations are necessary to confirm their hypothesis. This research not only sheds light on Venus's history but also provides valuable insights into the potential fate of Earth's oceans in the distant future as the sun evolves.",
  "summary": "Venus may be overwhelmingly inhospitable today, but many planetary scientists believe that it wasn't always this way. Billions of years ago, some observational evidence suggested that our planetary neighbor may have looked far more like Earth, complete with oceans potentially capable of harboring life.",
  "key_points": [
    "Polygonal plains on Venus suggest watery past.",
    "Richard Ghail's analysis proposes waterlogged clay desiccation.",
    "Venus's canali channels may be ancient submarine remnants."
  ],
  "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."
}