Mars rock stack photographed by Perseverance likely wind-sculpted

NASA’s Perseverance rover captured an image on May 13 (Sol 1859) with the Mastcam-Z cameras showing a small stack of rocks on the Martian surface. Scientists say it’s more likely the stack formed by wind erosion (or ancient water exposing and splitting a rock) rather than a deliberate or human-made arrangement, fitting Mars’ wind-dominated geology.