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 …

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.

4 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 …

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 future space …

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 life. Is there life …

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.

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.

NASA’s real-time portal for Mars exploration, featuring the latest news, images, and discoveries from the Red Planet.

Dec 19, 2025 · NASA's Perseverance rover is on track to set a new record for the farthest distance driven on another planet.

Dec 16, 2025 · Two of NASA's giants of cosmic discovery, including a rover that launched from Florida, have been named among Time's best inventions since 2000.