Watch Aldnoah.ZeroTV-MA2014|1 season|Animation,Action & Adventure,Sci-Fi & FantasyPlay TrailerAdd to WatchlistLet justice be done, though the heavens fallStoryIn 1972, the Apollo 17 mission discovered a hypergate to Mars on the surface of the moon. Soon a war breaks out between Earth and Mars, and Martian soldiers begin to descend from the sky, riding steel giants, intent on exterminating humanity.