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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 (Mars 2) and first successful ...
5 days ago · 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 of evidence that Mars was much w...
Nov 10, 2025 · 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 intriguing c...
Mars is a terrestrial planet with a thin atmosphere, having surface features reminiscent both of the impact craters of the Moon and the volcanoes, valleys, deserts, and polar ice caps of Earth. The rotational period a...
Oct 27, 2025 · Mars can boast the largest volcano in the entire Solar System – Olympus Mons. With a height of 21 km, it stands about 2.5 times taller than Mount Everest. Mars’ larger moon, Phobos, gradually gets close...
5 days ago · A new analysis of data from NASA's Mars Reconnaissance Orbiter reveals that the majority of the Red Planet's dark "slope streaks" did not form as most researchers previously assumed.
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.
NASA’s real-time portal for Mars exploration, featuring the latest news, images, and discoveries from the Red Planet.
5 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 weather.
The planet Mars has been explored remotely by spacecraft. Probes sent from Earth, beginning in the late 20th century, have yielded a large increase in knowledge about the Martian system, focused primarily on understan...
