Welcome to the weekly roundup of sci-fi wallpapers. These backgrounds are among the best I was able to scrounge from around the web. Let us know what you think in the comments!

Week: 5/3/2011 – 5/10/2011 For all sci-fi backgrounds check out the complete list of the Best Sci-fi Wallpapers Welcome to the weekly roundup of sci-fi wallpapers. These backgrounds are among the best I was able to scrounge from around the web. Let us know what you think in the comments! Note: (Images have been resized, click for larger version) Note:...

Welcome to the weekly roundup of sci-fi art. These artworks are among the best I was able to scrounge from around the web. Let us know what you think in the comments!

If you want sci-fi wallpapers then take a look at this list (updated weekly). Additionally, you can check out our "best sci-fi wallpapers of the week" posts for the newest updates.

Check out this fantastic graphic depicting the timeline of time travel in tv and movie plots.