A NASA rover taking rock samples on Mars has uncovered a plentiful mineral that was invisible to orbiters studying the Red Planet from space. Scientists say the discovery of siderite, a type of ...

NASA/JPL-Caltech/ASU NASA's Perseverance Mars rover has come across several unusual rocks that don't seem to be in their original place. Perseverance is currently searching for signs of ancient ...

NASA's Curiosity rover has found iron-rich carbonates on Mars, offering new clues about the planet's ancient climate and potential habitability. While slowly climbing the slopes of Mount Sharp ...

A selfie taken by NASA's Curiosity rover on Mars. NASA/JPL-Caltech/MSSS Over the past 13 years, the four-wheeled Curiosity rover has traveled approximately 21 miles (34 kilometers) across the ...

NASA's Perseverance rover on Mars has discovered unusual "float" rocks on the rim of Jezero Crater while searching for signs of ancient microbial life. Scientists are investigating their origin.

Here’s the latest dirt on Mars. NASA’s trusty Curiosity rover, which has been exploring the so-called red planet for years, just unearthed something huge — a stash of carbon-rich carbonate ...

The rock was given the informal name “Rochette” by the Perseverance science team. Credit: NASA/JPL-Caltech/ASU A team of scientists has uncovered new details about Mars’ Jezero Crater using the ...

NASA's Perseverance rover is reveling in a scientific bonanza on Mars after finding a diverse array of rocks that are providing eager scientists a glimpse into the planet's ancient history.

This selfie (stitched together from multiple exposures) of NASA’s Curiosity Mars rover shows the vehicle as it explores the slopes of Mount Sharp. Credit: NASA/JPL-Caltech/MSSS Scientists using NASA’s ...

A chapter of the layered geological history of Mars is laid bare in this image from NASA's Curiosity rover. The image shows the base of Mount Sharp, the rover's eventual science destination.

NASA’s Curiosity rover has discovered siderite, a carbonate mineral, in Mars’ Gale Crater, offering strong evidence that the Red Planet once had a thick, carbon-rich atmosphere and liquid ...