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 …

2025年11月24日 · 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 …

3 天之前 · 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 intriguing …

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

21 小时之前 · A recent photo from NASA's Curiosity rover gives an idea of what Mars would look like under skies that resemble our own on Earth. Take a look.

2025年5月20日 · A guide to the Red Planet, Mars, including facts about its geology, a history of Mars missions and images captured by astrophotographers.

2025年11月24日 · 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.

Known as the Red Planet, Mars has always intrigued us, but only in recent decades have we come to know our smaller neighbor as a world of great complexity. The planets closest to the Sun—Mars, …

2 天之前 · NASA's Curiosity rover captured a stunning new panorama image from high on Mars' Mount Sharp, taken across two Martian days and revealing boxwork formations, ancient water activity and …

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.