NASA's Perseverance Rover Loses Beloved Martian 'Pet' After Year+

The Perseverance rover on Mars has lost a rock that had been stuck in one of its wheels for over a year. The rock had been a long-time companion of the rover, traveling with it for 427 sols or days on Mars. The rover's team discovered the loss in the latest Hazcam image. The rock was not causing any damage, but it had become a beloved pet rock for the rover. The loss of the rock marks the end of an era for the rover's journey on Mars.