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  1. Mars - Wikipedia

    In 1971 Mariner 9 entered orbit around Mars, being the first spacecraft to orbit any body other than the Moon, Sun or Earth; following in the same year were the first uncontrolled impact …

  2. Mars: Facts - NASA Science

    Nov 24, 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 …

  3. Mars | Facts, Surface, Moons, Temperature, & Atmosphere

    6 days ago · Mars is the fourth planet in the solar system in order of distance from the Sun and the seventh in size and mass. It is a periodically conspicuous reddish object in the night sky. …

  4. Mars Facts | What Does Mars Look Like | All About Mars - Star Walk

    Oct 27, 2025 · Mars is the fourth planet from the Sun and the seventh largest planet in the Solar System. With evidence suggesting that it once had flowing water, Mars holds many secrets …

  5. Mars Facts | All About Mars – NASA Mars Exploration

    NASA’s real-time portal for Mars exploration, featuring the latest news, images, and discoveries from the Red Planet.

  6. 39 Mars facts, discoveries and images - BBC Sky at Night Magazine

    May 20, 2025 · A guide to the Red Planet, Mars, including facts about its geology, a history of Mars missions and images captured by astrophotographers.

  7. Mars - NASA Science

    Nov 24, 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 …

  8. Scientists Devise New Plan to Study the Most Exciting Rock on Mars ...

    10 hours ago · The most exciting rock known to science is a school-desk-sized chunk of mudstone currently stuck on Mars. Formed from fine, water-washed sediments on the floor of …

  9. In a major new report, scientists build rationale for sending ...

    Dec 9, 2025 · A new report published Tuesday, titled “A Science Strategy for the Human Exploration of Mars,” represents the answer from leading scientists and engineers in the …

  10. Mars - Red Planet, Orbit, Moons | Britannica

    6 days ago · Mars - Red Planet, Orbit, Moons: Mars is the fourth planet out from the Sun. It moves around the Sun at a mean distance of 228 million km (140 million miles), or about 1.5 times …