Humans... the most advancced species on universe? I dont think so. A lot of other planets are in this solar system but the most fit one is the earth. The martians are running out of resources so they need another planet to go to. They decide the earth is the best one one so they plan an attack. They start by sending 1 spaceship to the US. A lot of scientist gathered around thinking of it as a rock, but when they realized time had stoped and there was no electrical power they knew it was not a rock. The moment it opened up it started attacking every body around, the news spread discovering that it didn't only occur on the US.