Yes, seriously. NASA announced on Wednesday that its Curiosity rover had "checked in" on Mars via Foursquare. Marking the first check in from another world, the robotic rover will utilize the location-minded social network to share updates and pictures while visiting the Red Planet. While Curiosity will continue to explore the possibilities of Mars being able to sustain life, it would appear that the fourth planet from the sun just got a brand new mayor. Something tells us the universe's rarest badge is about to be best