Again, the facts are otherwise. Fox News only appears to be 'right' when in fact they are near the 'center'; this is because of the massive left-leaning reporting by nearly every major news outlet. You are not viewing the reporting objectively, but rather from a perspective of where other news outlets are coming from. Obviously, if you view it comparatively, Fox will be TO the 'right', but because all the other outlets are so far to the left, being 'right' of them only puts Fox somewhere in the 'center'. It is not a difficult concept.

Here is THE definitive media study that will help you:

http://www.sscnet.ucla.edu/polisci/faculty/groseclose/Media.Bias.8.htm