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 …

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. …

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 …

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

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.

Quick-look facts about the Red Planet Diameter: 6794 km (about half the diameter of Earth) Surface area: 145 million sq km (about the same as Earth’s land area) Gravity: 3.711 m/s 2 …

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, …

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 …

Dec 18, 2024 · Mars is the red-colored fourth planet from the Sun. While not Earth’s twin in size or composition (a title often attributed to Venus), it is the most habitable of the other planets in …