Space

NASA http://www.nasa.gov
Vimeo http://vimeo.com/55073825
The Virtual Telescope http://www.virtualtelescope.eu/webtv
Daily Science Fiction http://dailysciencefiction.com
Hearts of Space http://www.hos.com
Federation Models http://www.federationmodels.com

Writing

goodreads http://www.goodreads.com
Goodkindles – Free ebooks, bargain Kindle books http://www.gkbooks.net/