Mars rover Curiosity finds signs of ancient stream
Scientists say NASA’s Curiosity rover has found signs that a stream once flowed across the surface near the site where it landed on Mars. Read more from NBC News.
Photo: In this image from NASA’s Curiosity rover, a rock outcrop called Link pops out from a Martian surface that is elsewhere blanketed by reddish-brown dust. The picture was taken on Sept. 2, the 27th Martian day of Curiosity’s mission. (NASA/JPL-Caltech/MSSS)