NASA just announced that water is on the surface of Mars. One would think we would just send either the Curiosity rover or Opportunity rover (both are currently on the surface of Mars) to investigate the area. However, NASA actually can't. Why?
Ever since Percival Lowell mistakenly concluded that there were canals on Mars, we've always wondered if there was life on that planet. Now, seven curious photos taken by the Mars rover Curiosity may make us wonder even more.