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 …

Sep 30, 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 …

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. …

6 days ago · NASA’s discovery of potential evidence of ancient life on Mars means “our galaxy could be teeming with life,” says a world-leading scholar on habitable star systems.

Sep 17, 2025 · NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the Red Planet.

Oct 1, 2025 · The Perseverance rover's discovery of a potential biosignature found on a sedimentary rock on Mars is an exciting development in our search for life elsewhere in the …

2 days ago · Mars can boast the largest volcano in the entire Solar System – Olympus Mons. With a height of 21 km, it stands about 2.5 times taller than Mount Everest. Mars’ larger moon, …

A guide to the Red Planet, Mars, including facts about its geology, a history of Mars missions and images captured by astrophotographers.

Jul 15, 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 …

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.