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
Nov 24, 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 and weather.
Mars | Facts, Surface, Moons, Temperature, & Atmosphere | Britannica
Jan 6, 2026 · 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 Isn’t Just Red – It’s Electrically Alive, Scientists Reveal
6 days ago · Mars may appear quiet and desolate, but new research reveals an electrically active world shaped by dust-driven chemistry. Through laboratory simulations and isotopic analyses, scientists …
NASA's Mars Sample Return is dead, leaving China to retrieve signs of ...
17 hours ago · 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 …
Mars - NASA Science
Nov 24, 2025 · Mars is the fourth planet from the Sun, and the seventh largest. It’s the only planet we know of inhabited entirely by robots.
New Curiosity photo of Mars surface resembles Earth skies. Take a look
Jan 8, 2026 · A recent photo from NASA's Curiosity rover gives an idea of what Mars would look like under skies that resemble our own on Earth. Take a look.
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.
After a month of no answer, NASA will try hailing its silent MAVEN Mars ...
1 day ago · MAVEN has enough fuel to stay in orbit until 2030, but after a month of silence, scientists say recovery is increasingly unlikely.
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.