Mars' snow is made of carbon dioxide ice, not water ice. During the Martian winter, temperatures can drop to as low as minus 190 degrees Fahrenheit (minus 123 degrees Celsius), which does not ...

Engaging articles, amazing illustrations & exclusive interviews Issues delivered straight to your door or device ...

NASA researchers have identified geological structures on Mars that are unlike anything found on Earth. From spider-like ...

Mars has only a thin, tenuous atmosphere, and most of it (95%) is carbon dioxide. When Martian winter arrives, CO 2 freezes and forms a thick coating on the ground in the polar regions.

Sand dunes on Mars behave like those on Earth. They migrate as winds blow sand from one side to the other, slowly crawling across the surface. Frost that settles on them during the Martian winter in ...