NASA may use a one-legged robot to explore a Saturn moon. Watch it hop.
A one‑legged robot that jumps instead of rolls could help scientists explore the icy geysers on Saturn’s moon Enceladus, sampling material from a hidden ocean that may be friendly to life. The early mission concept, known as LEAP — short for Legged Exploration Across the Plain — imagines a robot about one-foot tall and weighing…