NASA's latest rover prototype, known as Ernest, has demonstrated advanced capabilities during testing in the Colorado Desert. The rover, which can individually lift its wheels to navigate obstacles, achieved a top speed of approximately 0.6 mph over a span of 37 hours across seven days, covering around 16 miles.
Developed to address the limitations faced by existing Mars rovers, such as the Perseverance, which operates at under 0.1 mph, Ernest features a four-wheel design instead of six. The prototype is four feet long, with plans for a mission-ready version that would be double the size. NASA is exploring new suspension systems, moving from the traditional rocker-bogie to an active suspension for improved mobility.
Engineers have tested nearly a dozen configurations since the program began in 2022. The rover is capable of switching between active and passive modes depending on its needs and features steering in all directions. This innovation aims to facilitate future missions on both Mars and the Moon, allowing for more efficient exploration.