New images from the Mars Express orbiter reveal evidence of a past ice age at Mars's mid-latitudes and shine light on the planet's dynamic climate history.

Deep 'scratches' and craters on Mars tell the tale of a Red Planet ice age

Source: space
Source Link: https://www.space.com/astronomy/mars/deep-scratches-and-craters-on-mars-tell-the-tale-of-a-red-planet-ice-age