While there are already many hurdles in the Mars mission, Providing an accomodation to Astrounauts on the red planet is one of the biggest concern. Igloo like structures made of ice may be the answer to NASA's housing worries.
Of late there has been tremendous advancement in Space-Science but the subject is so vast and almost endless that Scientists believe it is just the beginning of things to come
Recently launched Multi Million project anticipating a real alien interaction for the first time in Human History