NASA has revealed that it is going to fund for futuristic space technologies. There are eight projects which are part of the Innovative Advanced Concepts Program. There are various phases and aspects of the project. Out of the many revolutionary things in this project is that, engineers are developing an aircraft which can stay aloft for a long time. If this project is a success, it will be a great leap for mankind. Check out the article to know about the other parts of the project: http://www.dailymail.co.uk/sciencetech/article-3589538/From-Magnetoshells-humans-Mars-growable-habitats-Nasa-reveals-funding-futuristic-space-technology.html