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

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

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

New discoveries by NASA's Curiosity Mars rover may not only explain why the Red Planet is a dry, lifeless desert, but that it ...

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 ...

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

Looks like Mars might have had more water than anyone previously imagined.

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.

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