SpaceX

http://www.spacex.com/
https://twitter.com/SpaceX?ref_src=twsrc%5Egoogle%7Ctwcamp%5Eserp%7Ctwgr%5Eauthor
https://en.wikipedia.org/wiki/SpaceX
http://www.slate.com/blogs/bad_astronomy/2015/12/21/spacex_successfully_re_lands_a_rocket_booster_after_a_launch.html
http://www.bbc.com/news/science-environment-35157782

Videos
https://www.youtube.com/user/spacexchannel