Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...

Mars has fascinated scientists for decades, particularly its intriguing gullies etched into the sandy dunes of the Red Planet. These long, narrow features initially suggested the presence of liquid ...

Networks of narrow channels lining the surface of Martian dunes, called “gullies,” have puzzled astronomers for decades. Now, as detailed in a new paper published in the journal Geophysical Research ...

Add Yahoo as a preferred source to see more of our stories on Google. If humans are ever to land on Mars, they will need somewhere to stay—a protective shell that can shield them from the sun’s harsh ...

A newly identified region on Mars may hold the key to future human landings. Researchers found evidence of water ice less than a meter beneath the surface, close enough to be harvested for water, ...

Volcanoes may look like simple mountains that erupted once and then fell silent, but in reality they are often the surface expression of complex processes happening deep underground. Magma can move, ...

The Curiosity Mars rover photographed more rocks that are shaped like coral on the red planet's surface. Researchers said the rocks were evidence that at one point water was on Mars. The Curiosity ...

NASA visualization that suggests an ocean once covered the surface of Mars. (NASA Goddard via SWNS) By Dean Murray The red planet was half blue, according to space scientists. A research team using ...