Newfound rocks on Mars suggest the planet may have once sported an oxygen-rich atmosphere, making it more Earth-like and hospitable to life than previously thought. A collection of rocks scattered ...

A collection of rocks scattered on an ancient shoreline on Mars might indicate that the Red Planet was once far more Earth-like than scientists previously thought. The rocks, discovered by NASA's ...

An unexpected tool is giving us new insight into the fine structure of the outer layers of Mars. Using meteorites that were ...

Celestial Mystery Mysteries abound on the planet Mars — from the tantalizing traces of ancient riverbeds on its surface to ...

When a meteorite smashed into Mars 11 million years ago, debris landed on Earth as meteorites, giving an unparalleled look at ...

“Martian meteorites are the only physical materials we have available from Mars,” said James Day from UC San Diego, who led ...

Astronomers have long puzzled over the origins on Phobos and Demos, the red planet's strangely-shaped moons. Now they are ...

A newly discovered hole on Mars likely connected to underground caves could be key to colonising the Red Planet, astronomers ...

Mar. 13, 2024 — A deeply eroded giant volcano, active from ancient through recent times and with possible remnants of glacier ice near its base, had been hiding near Mars' equator in plain sight.

Mars, a planet often associated with a lifeless, dusty expanse, holds a puzzling amount of organic matter on its surface.

The conventional wisdom about Mars’ small and misshapen moons, Phobos and Deimos, is that they were either created like Earth ...

The Chassigny meteorite in cross-polarized light. This meteorite is dominated by the mineral olivine. Grains are roughly 0.5 millimeters across. Credit: UC San Diego. Researchers at the Scripps ...