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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

    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 …

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

    3 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. Scientists Just Found the Strongest Signs of Life on Mars Yet

    Oct 1, 2025 · Scientists just found the strongest signs of life on Mars yet Clues from Jezero Crater hint that Mars once nurtured microbial life, and the proof may be waiting in samples bound for …

  5. 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 …

  6. Mars Exploration - NASA Science

    Sep 30, 2025 · For more than 60 years, NASA has pursued answers to one of the biggest questions in science: Was — or is — Mars a habitable world? The key to understanding the …

  7. Mars Trek - NASA

    Trek is a NASA web-based portal for exploration of Mars. This portal showcases data collected by NASA at various landing sites and features an easy-to-use browsing tool that provides layering …

  8. The Mars Report: September 2025 — Special Edition - NASA Science

    Sep 12, 2025 · A Journey of Discovery America is on an unwavering journey of discovery: first to the Moon with Artemis, then onward to Mars. Meanwhile, Perseverance and NASA’s other …

  9. All About Mars | NASA Space Place – NASA Science for Kids

    Mars is sometimes called the Red Planet. It's red because of rusty iron in the ground. Like Earth, Mars has seasons, polar ice caps, volcanoes, canyons, and weather. It has a very thin …

  10. Mars: News & Features - NASA Science

    Sep 10, 2025 · Get the latest news releases, features, findings, and stories about the missions on Mars.