{
  "id": 15750992,
  "title": "Encore: A Year In Mars Dune Alpha",
  "url": "https://urgent.news/2026/10/20/encore-a-year-in-mars-dune-alpha",
  "topic": "science",
  "section": "Science",
  "published": "2026-10-20T13:38:33.000Z",
  "source": {
    "name": "NASA Science",
    "slug": "nasa-science",
    "url": "https://www.nasa.gov/podcasts/curious-universe/encore-a-year-in-mars-dune-alpha/"
  },
  "original_language": "en",
  "account": "In 2023, NASA conducted a year-long experiment in a Mars simulation environment called CHAPEA, or the Crew Health and Performance Exploration Analog. This mission simulates year-long missions to Mars to gather data for crew health and performance, preparing humans for eventual travel to the Red Planet. CHAPEA 1 concluded in October 2026, with CHAPEA 2 set to wrap up soon.\n\nThe habitat, named Mars Dune Alpha, is a realistic 3D printed environment that provides a sense of walking on Mars. The four-person crew lives, works, and eats together inside the habitat, communicating with mission control via virtual reality and a TV broadcasting the outside Martian scenery.\n\nAnca and Nate, two members of the CHAPEA crew, share their experiences from the airlock, describing the airlock room tone as what Mars airlock sounds like. The crew uses virtual reality to create lifelike sensations for spacewalks, experiencing the Martian sunrise, stars, and the shadow of their habitat on the ground.\n\nThis mission, part of NASA's Artemis program, aims to establish a long-term presence on the Moon and eventually send humans to Mars. By simulating these conditions on Earth, NASA hopes to gather crucial data for future crew health and performance during extended space missions.",
  "summary": "To prepare for the day when humans travel to Mars, NASA is conducting a one-year experiment in a Mars simulation environment. So what’s it like to spend a year in CHAPEA, the Crew Health and Performance Exploration Analog? Travel through the airlock with voice recordings made by the four-person crew, including what it feels like—and smells like—inside their realistic 3D printed habitat and how…",
  "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."
}