Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very ...

A recent photo from NASA's Curiosity rover gives an idea of what Mars would look like under skies that resemble our own on ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

Mars has an active, electrically charged surface where dust storms and spinning dust devils regularly move and reshape the ...

Mars once had sprawling river systems that rivaled major watersheds on Earth, and scientists have now identified the biggest ...

A Congressional bill restores funding for most NASA space science missions, but there is no money for returning samples ...

Thanks to Einstein’s relativity, time flows differently on Mars than on Earth. NIST scientists have now nailed down the ...