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 ...

Around 20,000 years ago, Earth was very, very cold. Global temperatures were 10 degrees Fahrenheit colder than they are today and most of North America was covered in ice. That ice was almost half a ...

Mid-latitude valleys and crater floors on the Red Planet reveal swirling deposits from ancient glacial flows. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...