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 ...

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

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

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

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

NASA's Perseverance rover spots eerie skull-like rock on Mars, leaving scientists puzzled over its mysterious origins.

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

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

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

A new study from geologists at the University of Colorado Boulder paints this picture of a Red Planet that was relatively ...

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