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 - 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.
Mars | Facts, Surface, Moons, Temperature, & Atmosphere
5 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. …
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.
Mars, the red planet - The Planetary Society
Scientists are uncovering how Mars transformed into the cold, dry desert world it is today. We explore Mars to understand the planet's history and look for evidence of past or even present …
Mars: Size, distance from the Sun, orbit - Astronomy.com
Oct 20, 2023 · Mars is the fourth planet from the Sun and orbits roughly 142 million miles (229 million km) away from the Earth.
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: 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 …
What Time Is It on Mars? NIST Physicists Have the Answer.
Dec 1, 2025 · NIST scientists have calculated that clocks on Mars will tick an average of 477 millionths of a second faster than clocks on Earth per day. This calculation is necessary for …
One of NASA's key cameras orbiting Mars takes 100,000th image
Dec 16, 2025 · After nearly 20 years on the Red Planet, NASA's Mars Reconnaissance Orbiter (MRO) has snapped its 100,000th image of the surface with its HiRISE camera. Short for High …