Scientists and sky gazers will watch intently as rocket’s upper stage slams into lunar surface on WednesdayA drifting SpaceX rocket is on a collision course with the moon after launching a pair of lunar landers more than a year ago.The rocket’s upper stage will unintentionally slam into the moon on Wednesday, carving out a crater and sending up a plume of dust and rubble that scientists – and sky gazers – are eager to observe. Continue reading...