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 – 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 …

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. …

2 days ago · 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 …

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.

Apr 4, 2025 · Discover interesting facts about Mars, its moons, its atmosphere, and the possibilities of life.

Mars, the red planet Highlights 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 …

Mars is the fourth planet from the Sun in our solar system. Scientists believe that all of the planets were created just over 4.5 billion years ago. The solar system began as a large cloud of gas, …

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

Nov 24, 2025 · The fourth planet from the Sun, Mars is one of Earth's two closest planetary neighbors (Venus is the other). Mars is one of the easiest planets to spot in the night sky — it …