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.

6 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 …

Oct 27, 2025 · 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 …

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.

10 hours ago · The most exciting rock known to science is a school-desk-sized chunk of mudstone currently stuck on Mars. Formed from fine, water-washed sediments on the floor of a long-lost …

As the fourth planet from the Sun, Mars is our terrestrial neighbor. Though this cold and dusty world has many differences compared to Earth, it also has many similarities. It has seasons, dry river beds, …

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.

6 days ago · Mars - Red Planet, Orbit, Moons: Mars is the fourth planet out from the Sun. It moves around the Sun at a mean distance of 228 million km (140 million miles), or about 1.5 times the …