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 …

Feb 18, 2026 · 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 of evidence …

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 …

Feb 16, 2026 · 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 …

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.

The red planet Mars, named for the Roman god of war, has long been an omen in the night sky. And in its own way, the planet’s rusty red surface tells a story of destruction.

Jan 19, 2026 · 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.

Feb 3, 2026 · 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 past, present, or …

Sep 10, 2025 · Get the latest news releases, features, findings, and stories about the missions on Mars.

3 days ago · For about six months, NASA’s Curiosity Mars rover has been exploring a region full of geologic formations called boxwork, low ridges standing roughly 3 to 6