For me, sci-fi is all about the ships and lives lived upon them. I especially liked the military order of BSG and the once military association of Mal and Zoe on Firefly. It is with that interest in mind that I discovered Chronicles of Man.
Chronicles of Man.com
Chronicles of Man Wiki
From the mind of Josh Samuelson with a good deal of art by Adam Kop and many others.
And what's more, you can read how it all began here and continued here. How cool is it that it began oh so long ago and Josh has actually served on nuclear submarines?! He's got a lot more relating to CoM scattered throughout his journal. Now go check it out. That's an order!