Mars has lost immense amounts of water over it lifetime, and scientists aren't sure exactly how. New research hints that the ...

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

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

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

Mars may not have always been the dry and dusty world we imagine. A staggering network of ancient riverbeds, spanning over 15 ...

Lockheed Martin has unveiled a new proposal to take over NASA's beleaguered Mars Sample Return mission for less than half the ...

A meteorite is a meteoroid that "survives" a trip through Earth's atmosphere and lands fully intact, according to NASA. The ...

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.

An analysis led by the University of Chicago of Mars Science Laboratory Curiosity rover data may explain why the planet was ...

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

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 ...