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 (Mars 2) and first …
Mars: Facts - NASA Science
Jan 19, 2026 · 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.
Mars | Facts, Surface, Moons, Temperature, & Atmosphere | Britannica
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. There are …
Mars Facts | What Does Mars Look Like | All About Mars - Star Walk
Jan 19, 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 be …
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.
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.
Mars, the red planet - The Planetary Society
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.
NASA's Mars Sample Return is dead, leaving China to retrieve signs of ...
Jan 16, 2026 · NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts to collect Perseverance rover samples that could contain …
How Mars' ancient lakes grew shields of ice to stay warm as the Red ...
Jan 14, 2026 · The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too cold.
Mars: Scientists Have Figured Out How Blue The Red ... - ScienceAlert
Jan 18, 2026 · Mars is absolutely dripping with evidence that the red planet was once a striking blue, complete with glistening lakes, snaking rivers, and vast oceans.