NASA's Perseverance rover has officially become the farthest-traveling vehicle ever to roll across the surface of another world. On October 11, 2026, its odometer reached 28.10 miles (45.22 kilometers), edging past the 28.06-mile (45.16-kilometer) record set by the Opportunity rover, which explored Mars from 2004 to 2018. The record-breaking moment came on the mission's 2,006th Martian day, when a 299.6-foot (91.31-meter) drive carried the rover over the line while it was heading toward an area called Idubi through a region beyond Jezero Crater's western rim known as Lac de Charmes. Perseverance needed just five and a half years to cover a distance that took Opportunity almost 15.

Much of the credit goes to the rover's self-driving system, known as AutoNav, which has handled terrain assessment for more than 90 percent of Perseverance's total distance, compared with about 5 percent for the first-generation system on Opportunity and its twin, Spirit. NASA notes that the earliest Mars rover, Sojourner, judged its path using 20 measurement points, while Perseverance now processes 600,000 with every look. That smarter driving lets the rover travel faster and farther each day, reaching a wider variety of ancient terrain, from old lakebeds to crater rims, that scientists want to study. The original mission called for no more than 12.4 miles of driving, so the rover has already blown past its plan, and its team says it could keep rolling toward 100 kilometers.