Curiosity Rover is on a mission to Mars to find if the conditions there can support human life and if life existed in the past. NASA has every reason to be proud of Curiosity. Rover keeps the excitement of NASA scientists high at all times by tweeting and posting pictures regularly. And this time, Curiosity Rover, the $US 2.5 billion robot has placed its feet in the Gale Crater. Gale Crater holds the history of Mars and is home to Mount Sharp. Rover has gone one step further and signed up on the geolocation social network Foursquare. She tweeted stating, “One check in closer to being Mayor of Mars”. Rover has also sent a black and white image of Mars with its shadow stretching on the barren landscape.