NASA’s Curiosity Mars rover at Gale Crater is now performing Sol 4143 duties. Lauren Edgar, a planetary geologist at the USGS Astrogeology Science Center in Flagstaff, Arizona, reports that the rover is approaching an intriguing pile of rocks called “Hinman Col” – a poorly sorted collection of clasts located along the margin of Gediz Vallis […] Read More – Leonard David’s INSIDE OUTER SPACE