Mars is the fourth planet from the Sun. It is also known as the " Red Planet ", for its orange-red appearance. [22][23] Mars is a desert-like rocky planet with a tenuous atmosphere that is …

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. …

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.

Oct 20, 2023 · Mars is the fourth planet from the Sun and orbits roughly 142 million miles (229 million km) away from the Earth.

Dec 27, 2025 · Mars once had sprawling river systems that rivaled major watersheds on Earth, and scientists have now identified the biggest ones for the first time. Researchers mapped 16 …

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.

3 days ago · NASA lost communication with its MAVEN probe nearly a month ago, and efforts to re-establish a connection have been futile.

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 …