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Key Facts about Devon Island

March 11, 2026

NASA uses Devon Island to study Mars, primarily because it's barren and its freezing, polar desert conditions allow researchers to test next-generation rovers.

About Devon Island:

  • It is located in the Canadian arctic archipelago, within the zone classified as the High Arctic.
  • It is the world’s largest uninhabited island.
  • Ellesmere Island lies to the north of Devon Island and Baffin Bay lies to its east.
  • Although completely devoid of human settlements, a few species reside on the island.
  • Winters are extremely harsh with temperatures being as low as −50 °C.
  • The “out-of-the-world-like” landscape here is cold, dry, and rocky. Snow and ice blanket the island’s ice cap for the entire year.
  • NASA uses Devon Island to study Mars, primarily because it's barren, and its freezing, polar desert conditions allow researchers to test next-generation rovers.
  • It is home to a 14-mile-wide Haughton Crater. It was formed when a meteorite struck millions of years ago, leaving behind terrain that resembles the surface of Mars. 

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