NASA's Perseverance rover breaks off-planet driving record

NASA's Perseverance rover has set a new record for the longest distance driven by any vehicle on a world other than Earth, covering 28.1 miles (45.2 km) on Mars since its arrival in 2021. The car-sized, six-wheeled rover surpassed the previous record held by NASA's Opportunity rover, which drove 28.06 miles (45 km) between 2004 and 2018.

Steven Lee, project manager for NASA's Mars rovers, stated that Perseverance's hardware and instruments are in excellent condition and capable of operating well into the 2030s. The rover's success is largely attributed to its autonomous navigation system, AutoNav, which handles 90% of its drives without human intervention. This system allows Perseverance to map terrain in 3D and select the safest path, a significant advancement over previous rovers that required pauses for processing.

Perseverance is exploring Jezero Crater, a region believed to have once been a lake basin. The rover's mission has also yielded significant scientific discoveries, including a potential biosignature found in reddish rock estimated to be 3.2 to 3.8 billion years old. NASA has extended the mission to explore the crater rim until approximately the end of 2028, with the rover's plutonium-based power system expected to provide energy for many more years.