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

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

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

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

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

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

NASA has found a rock on Mars that it has dubbed Skull Hill. The rock is known as a "float rock," and NASA has no idea where ...

New research suggests ancient Mars may have been warm and wet, with rainfall or snowmelt carving its iconic valleys.

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

NASA's Mars Reconnaissance Orbiter (MRO) has captured several images of the Insight lander on the Red Planet between 2018 and ...

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

NASA’s Curiosity rover has uncovered a missing piece in the puzzle of Mars' past atmosphere. Scientists discovered ...