NASA’s Perseverance Rover Captures Unusual ‘Sandwich’ Rock Formation on Mars

• May 22, 2026

NASA’s Perseverance rover has recently captured an intriguing image on the surface of Mars, showing three rocks balanced atop one another in a formation resembling a sandwich. This discovery was made on May 13, during the 1859th Martian day, or sol, of the rover’s mission.

A Closer Look at the ‘Rock Sandwich’

The image was taken using the Mastcam-Z, a high-resolution camera mounted on the rover’s mast, which provides detailed imaging to assist in geological studies. The unusual stacking of the stones caught the attention of scientists due to its rarity in natural formations observed on Mars.

While the exact process leading to this formation remains under study, experts speculate that erosion and wind patterns unique to the Martian environment could have contributed to the positioning of the rocks. Such findings are important as they help researchers better understand the planet’s geological history and the environmental conditions shaping its surface.

The persistence of Perseverance in capturing high-quality images and data continues to offer valuable insights into Mars’ composition and past. The rover’s ongoing mission enriches knowledge that supports future exploration efforts.

This discovery joins a growing catalog of features and phenomena documented by Perseverance, highlighting the dynamic and diverse landscape of Mars.

NASA’s Perseverance rover photographed three rocks stacked like a sandwich on Mars, revealing unique insights into the planet’s surface.