6 days ago · Mars is the fourth planet from the Sun, and the seventh largest. It’s the only planet we know of inhabited entirely by robots.

In 1971 Mariner 9 entered orbit around Mars, being the first spacecraft to orbit any body other than the Moon, Sun or Earth; following in the same year were the first uncontrolled impact (Mars 2) and first …

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. There are …

Mar 18, 2026 · 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 waiting to …

Scientists are uncovering how Mars transformed into the cold, dry desert world it is today. We explore Mars to understand the planet's history and look for evidence of past or even present life. Is there life …

2 days ago · Mars was once warm and wet, but the solar wind stripped its atmosphere over billions of years. NASA’s ESCAPADE mission now utilizes twin spacecraft to investigate this transition from a …

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.

Newly released Mars images offer a detailed look at one of the Red Planet's oldest, most heavily cratered regions, a landscape shaped by billions of years of impacts, volcanism and erosion.

2 hours ago · NASA’s new chief is reshaping the space agency’s goals, unveiling at an event in Washington, D.C., on Tuesday an ambitious vision that includes revamped plans for a moon base.

10 hours ago · The agency’s leader said the plans and timelines for the coming decade aimed to make Americans “start believing again” in the mission of space exploration.