For the past four years, NASA 's Perseverance rover has rambled over a region of Mars where scientists say a strong river ...

NASA's Perseverance rover on Mars has discovered unusual "float" rocks on the rim of Jezero Crater while searching for signs ...

“The discovery of abundant siderite in Gale Crater represents both a surprising and important breakthrough in our ...

Visit ancient Mars—a surprisingly temperate planet where snow or rain falls from the sky, and rivers rush down valleys to ...

Scientists have pondered why Mars seemed to be missing sufficient carbonates indicative of its warm, wet past. Now, NASA’s ...

A NASA rover taking rock samples on Mars has uncovered a plentiful mineral that was invisible to orbiters studying the Red ...

One part of this plan would require increasing the planet’s atmospheric pressure, and one scientist suggests that capturing ...

The surface of Mars is extremely cold, irradiated, and desiccated. But at one time, the planet was much warmer and wetter, ...

Cornell researchers are offering an explanation after mistakenly identifying what appeared to be water on Mars’ south pole.

Mars may once have had a relatively warm and wet climate conducive to flowing water, rain and snow, producing a terrain much ...

In those drill sites, Curiosity detected deposits containing an iron carbonate material called siderite. According to Ben ...

On April 20, the sun will square Mars, bringing two powerhouse energies together that are anything but subtle. Discover what ...