5 Jan 2022, 15:42 UTC · By: Daniel Patrascu / HiRISE photo of a crater wall in the Tempe Terra region of Mars shows older than usual gullies, helping scientists estimate age of terrain
13 Dec 2021, 16:43 UTC · By: Daniel Patrascu / Photo of an undisclosed portion of Mars shows "particularly large" gullies on the surface, one of the many strange features of the planet