Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Coloe Fossae on Mars, a ...

In this age of Mars rovers, questions about the planet's ancient past have shifted. A growing body of evidence supports the idea that Mars was once warm and wet. Now researchers are focused on the ...

Recent high-resolution imaging of Mars has unveiled deep ‘scratches’ and craters that suggest the Red Planet once experienced an ice age. These geological features, which include eroded valleys and ...

Mars may have had its own version of an Ice Age that reshaped parts of the Red Planet and carved deep "scratches" in its surface that remain visible today. New high-resolution images from the European ...