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  1. Mars: Facts - NASA Science

    Jul 15, 2025 · Mars – the fourth planet from the Sun – is a dusty, cold, desert world with a very thin atmosphere. This dynamic planet has seasons, polar ice caps, extinct volcanoes, canyons …

  2. Mars - NASA Science

    Sep 30, 2025 · Mars is one of the most explored bodies in our solar system, and it's the only planet where we've sent rovers to explore the alien landscape. NASA missions have found lots …

  3. MARS QUICK FACTS SIZE [equatorial diameter] FOR MORE INFO, VISIT: MARS.NASÅ.GOV The land area of Earth is similar to that of Mars. 1/10 642 sextillion kg DENSITY [average] …

  4. Images from the Mars Perseverance Rover - NASA Mars

    Raw images of Mars taken by the Perseverance rover and Ingenuity Mars helicopter in Jezero Crater.

  5. NASA’s Mars Science Laboratory mission set down a large, mobile laboratory — the rover Curiosity — at Gale Crater, using precision landing technology that made one of Mars’ most …

  6. Mars revolves around the Sun once every 687 Earth days, and its day, or fisol,fl is slightly longer than Earth™s, at 24 hours 37 minutes. Because Mars™axis tilts at 25.19 degrees …

  7. Mars Odyssey - NASA Science

    Jun 2, 2025 · It successfully completed its primary science mission from February 2002 through August 2004. Odyssey continues its work today, studying clouds, fog, and frost, and mapping …

  8. NASA’s Viking Project was the culmination of a series of missions to explore Mars that had begun in 1964 with Mariner 4, and continued with the Mariner 6 and 7 flybys in 1969, and the Mariner …

  9. Mars 2020: Perseverance Rover - NASA Science

    Sep 10, 2025 · NASA's Mars Perseverance rover is building a unique rock collection, which also includes samples of Mars atmosphere and loose surface material. These samples record the …

  10. Over the past two decades, missions flown by NASA’s Mars Exploration Program have shown us that Mars was once very different from the cold, dry planet it is today.