A 54-pound (25-kilogram) rock. Estimated auction price: $2 million to $4 million. Why so expensive? It's the largest piece of ...

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

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

Oil major Exxon Mobil told its trading counterparts that it will not buy the Mars crude oil grade until a zinc contamination ...

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

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.

New research might finally help us understand what happened to the water on Mars and rewrite everything we know about the Red ...

A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.

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

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

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...