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 …

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 …

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. …

2 days ago · Strange, sinuous gullies etched into the dunes of Mars are finally giving up their secrets.

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 …

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.

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

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 …

Sep 30, 2025 · For more than 60 years, NASA has pursued answers to one of the biggest questions in science: Was — or is — Mars a habitable world? The key to understanding the …

Sep 12, 2025 · A Journey of Discovery America is on an unwavering journey of discovery: first to the Moon with Artemis, then onward to Mars. Meanwhile, Perseverance and NASA’s other …