It’s a long way from Tempe to Jupiter, but a thermal camera built at Arizona State University is on its way. First though, it made a crucial detour at Mars, millions of miles from the quiet lab where ...

For years, scientists have been intrigued by mysterious dark streaks running down the slopes of Martian cliffs and craters. These marks, called slope streaks and recurring slope lineae (RSLs), have ...

Small lakes on ancient Mars may have remained liquid for decades, even with average air temperatures well below freezing.

Scientists identify Amazonis Planitia as a promising Mars landing site, citing possible underground water, moderate ...

Networks of narrow channels lining the surface of Martian dunes, called “gullies,” have puzzled astronomers for decades. Now, as detailed in a new paper published in the journal Geophysical Research ...

Scientists have identified eight mysterious water-shaped caves on Mars, unlike volcanic tunnels, raising fresh hopes these ...

Until recently, Mars was studied only through telescopes and some data that was recorded from early spacecraft. It was thought that Mars' polar regions were the only significant reservoirs of ice, ...