SpaceNASA should explore Uranus and Enceladus, say planetary scientists A major report on priorities for the next decade of US planetary science calls for the first dedicated Uranus probe and an orbiter-lander combo for Saturn’s ocean moon Enceladus 51¶¯Âþ
SpaceAstronauts on Mars might trip up less if they can hear their footsteps Spacesuits tend to muffle sounds, but hearing our footsteps may provide useful cues about our environment and reduce the risk of tripping 51¶¯Âþ