In all, there are only 400 known Mars rocks on Earth, comprising less than 1% of all known space rocks on the Blue Planet.

A 54-pound meteorite from Mars is expected to fetch up to $4 million when it goes up for auction later this month at ...

The aerospace giant says it can revive Mars Sample Return with a leaner, lower-cost approach drawing on proven designs.

Embark on a breathtaking journey to Mars in stunning 4K, captured by NASA’s legendary rovers: Spirit, Opportunity, Curiosity, and Perseverance. This video brings you face-to-face with the Martian ...

Dark “slope streaks,” likely resulting from dust avalanches, stretch across an area of Mars called Acheron Fossae in this ...

Mars has lost immense amounts of water over it lifetime, and scientists aren't sure exactly how. New research hints that the planet's violently varying tilt may be a key factor.

The spacecraft now almost tips upside down relative to Mars to give its radar the best view. The Mars Reconnaissance Orbiter ...

The discovery of more than 15,000 kilometers of ancient riverbeds on Mars suggests that the Red Planet may once have been much wetter than previously thought. Researchers looked at fluvial sinuous rid ...

The discovery of more than 15,000 kilometers of ancient riverbeds on Mars suggests that the Red Planet may once have been ...

If we're to land humans on Mars in the coming decades, we'll have to know what challenges await them when they get there.

The second half of the 19th century was a particularly interesting time to imagine Mars. This was a period during which the ...

It's possible that Mars' moons were originally asteroids that were captured by the planet's gravitational pull. There's also ...