NASA's Mars Reconnaissance Orbiter captured a photo of frozen sand dunes in Mars' northern hemisphere. Taken in September ...

NASA/JPL-Caltech/University of Arizona This Oct. 29, 2018, image from the HiRISE camera on NASA's Mars Reconnaissance Orbiter ...

By imaging the dunes, scientists can figure out how much CO2 frost forms on the dunes during the Martian winter. When ...

The new work suggests that the edge of the dichotomy was eroded back by hundreds of kilometers during the time when an ocean ...

Recently imaged by the HiRISE (High-Resolution Imaging Science Experiment) camera on NASA’S Mars Reconnaissance Orbiter (MRO) ...

Thousands of mysterious clay mounds found on Mars were formed by ancient water on the Red Planet's barren northern plains, ...

Unlike the dunes on Earth which are constantly in motion, the kidney bean-shaped dunes on Mars appear surprisingly motionless ...

Discoveries of clay minerals in Martian mounds by researchers indicate that Mars once had large bodies of water billions of ...

The area containing the clay-bearing mounds is geologically connected to Oxia Planum, which is where Rosalind Franklin will be headed when it launches in 2028 in search of past life on Mars. It now ...

NASA's MMS mission discovered whistler-mode chorus waves in an unexpected region, the terrestrial mid-tail neutral sheet, ...