I've subscribed to your comic. The art is amazing, the premise that's peeking through is already interesting and I want more. So, well done, and welcome to Tapas!
As far as sci-fi goes, I second the Full-Spectrum Therapy recommendation. It's really, really amazing and out there. I don't know why I'm even trying to write about it when @punkarsenic already gave you the best review there is:
Also, please allow me to plug my own series. I classified it as sci-fi because of all the tags Tapas offers that one makes most sense. If you have time, feel free to give it a peek.