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 …

Nov 24, 2025 · Mars is the fourth planet from the Sun, and the seventh largest. It’s the only planet we know of inhabited entirely by robots.

Jan 6, 2026 · 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. …

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

2 days ago · Mars may appear quiet and desolate, but new research reveals an electrically active world shaped by dust-driven chemistry. Through laboratory simulations and isotopic analyses, …

The red planet Mars, named for the Roman god of war, has long been an omen in the night sky. And in its own way, the planet’s rusty red surface tells a story of destruction.

4 days ago · 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.

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 …

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.

5 days ago · Mars - Red Planet, Exploration, Mysteries: To the Earth-based telescopic observer, the Martian surface outside the polar caps is characterized by red-ocher-colored bright areas …