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  1. Mars Facts - NASA Science

    4 days ago · 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, and …

  2. Mars - Wikipedia

    Mars is the fourth planet from the Sun. It is also known as the " Red Planet ", for its orange-red appearance. [22][23] Mars is a desert-like rocky planet with a tenuous atmosphere that is primarily …

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

    4 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. There are …

  4. Explore the Red Planet: All the Must-Know Facts About Mars

    Mar 27, 2026 · 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 waiting to …

  5. Mars | National Air and Space Museum

    Known as the Red Planet, Mars has always intrigued us, but only in recent decades have we come to know our smaller neighbor as a world of great complexity. The planets closest to the Sun—Mars, …

  6. Mars: Facts, news, features and articles about the Red Planet

    Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a cold, desert world within our solar system. It has a very thin...

  7. Mars, the red planet - The Planetary Society

    Mars, the red planet Highlights Mars once had liquid water on its surface and could have supported life. Scientists are uncovering how Mars transformed into the cold, dry desert world it is today. We …

  8. Mars, the red planet: Facts and information | National Geographic

    The red planet Mars, named for the Roman god of war, has long been an omen in the night sky. And in its own way, the planet’s rusty red surface tells a story of destruction.

  9. 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.

  10. Planet Mars - Natural History Museum

    Mars is the fourth planet from the Sun, orbiting at an average of 228 million kilometres away from the star. The planet moves at a speed of around 24 kilometres per second, making it slightly slower than …