The planet Mars may once have enjoyed a much milder climate, accompanied by regular and abundant rain. This long-debated hypothesis finds new support thanks to recent observations by NASA's ...

The current image of Mars as an arid and hostile desert contrasts sharply with the history revealed by its surface. Channels, minerals altered by water, and other geological traces indicate that the ...

Three years ago, Martian dust shrouded the solar panels on NASA’s InSight lander, preventing further operations and leading to its retirement. But the mission’s data continues to reveal information ...

Mars is cold, parched, and extremely dusty. Powerful gusts of wind kick up literal tons of reddish dust that often takes the form of whorls known as dust devils. These winds also shroud the planet in ...