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 …

Nov 24, 2025 · Mars is one of the most explored bodies in our solar system, and it's the only planet where we've sent rovers to explore the alien landscape. NASA missions have found lots …

2 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. …

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 …

17 hours ago · NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.

3 days ago · When astronauts set foot on Mars, it will be one of humanity’s greatest milestones, marking the start of a new era of discovery on another planet. A new National Academies …

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 …

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