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Learn about Mars, the fourth planet from the Sun, with its orange-red surface, two moons, and diverse geology. Find out how Mars was formed, how it orbits the Sun, and what features it has on its surface.
Learn about Mars, the fourth planet from the Sun and the only one with robotic explorers. Find out how NASA missions are studying its climate, geology, and potential for life.
Learn about Mars, the fourth planet from the Sun and the only one with rovers exploring its surface. Find out how NASA studies the red planet and what we have discovered about its history, climate, and potential for life.
2 days ago · Learn about Mars, the fourth planet from the Sun and the second smallest in the solar system. Find out how far Mars is from Earth, what its surface features are, and how it compares to Earth in size, temperature, and atmosphere.
Learn about Mars, the fourth planet from the Sun, and its features, history, and potential for life. Find out how Mars compares to Earth in size, distance, orbit, rotation, moons, rings, formation, structure, surface, atmosphere, and magnetosphere.
Mars is a cold desert world. The average temperature on Mars is minus 85 degrees Fahrenheit – way below freezing. It is half the size of Earth. Mars is sometimes called the Red Planet. It's red because of rusty iron in the ground.
Learn about Mars, the fourth planet from the Sun and the seventh largest in the solar system. Find out how NASA explores Mars with robotic missions, sample return, and human missions.
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 and viewing of high resolution data.
Learn about NASA's over 60 years of robotic exploration of Mars, from orbiters to rovers, and the science goals and challenges of the Red Planet. Explore the timeline, facts, multimedia, and news of past and future Mars missions.
NASA’s Mars 2020 Perseverance rover has begun its search for signs of ancient life on the Red Planet. Flexing its 7-foot (2-meter) mechanical arm, the rover is testing the sensitive detectors it carries, capturing their first science readings.
