NASA's Mars Reconnaissance Orbiter (MRO) used its High-Resolution Imaging Science Experiment (HiRISE) camera to capture photos of Mars' frozen sand dunes on Sept. 8, 2022.

The kidney bean-shaped sand dunes spotted on Mars. NASA's Mars Reconnaissance Orbiter (MRO) has clicked a stunning picture of the Red Planet's surface showing frozen sand dunes in the northern ...

NASA's Mars Reconnaissance Orbiter has captured images of kidney bean-shaped frozen sand dunes in Mars' northern hemisphere, revealing layers of carbon dioxide frost. These formations provide ...

After 1,856 Martian days among blue sunsets, sand dunes and small, lumpy moons, the Mars rover Curiosity sat on the ridge of an ancient lake bed and looked back on its five-year-long journey so far.

A NASA satellite has spotted frozen "kidney beans" on Mars' sand dunes trapped in place until springtime. Photographing them can help us determine if there was ever enough water on Mars to sustain ...

Surrounded by frost, these Martian dunes in Mars' northern hemisphere were captured from above by NASA's Mars Reconnaissance Orbiter using its HiRISE camera on Sept. 8, 2022.

The dunes lack frost because the image was taken during summer in Mars' northern hemisphere. MRO delivers the most beautiful, extreme-close-up photography of the Martian surface.

Both NASA’s Perseverance and China’s Zhurong rovers have recently found signs that Mars may have had more water than expected. NASA’s Perseverance rover on the 198th Martian day, or sol, of ...

CAPE CANAVERAL, Florida — Water may be more widespread and recent on Mars than previously thought, based on observations of Martian sand dunes by China's rover. The finding highlights new ...

“Sand dunes of many shapes and sizes are common on Mars. In this example, the dunes are almost perfectly circular, which is unusual,” said the statement from the University of Arizona.

Mars is chock full of beautiful sand dunes that can come in some truly magnificent shapes and patterns that, sometimes, seem to defy explanation. Take a look at these almost perfectly circular ...