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.

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 primarily …

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. There are …

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, dust, and ice, …

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.

3 days ago · NASA's Perseverance rover discovered rocks on Mars, providing new evidence the red planet was once a wet, habitable world that could support 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 it is today. We …

As the fourth planet from the Sun, Mars is our terrestrial neighbor. Though this cold and dusty world has many differences compared to Earth, it also has many similarities. It has seasons, dry river beds, …

Jan 26, 2026 · 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 looks like a bright …