"Astronomy" is one of the biggest American magazines (see:
http://www.astronomy.com/ )
along with "Sky and Telescope" (
http://www.skyandtelescope.com/ )
There are a couple of nice British magazines:
"Sky at Night" (
http://www.skyatnightmagazine.com/ )
and "Astronomy Now" (
http://www.astronomynow.com/ )
These are available through Newsagents or subscription, all their sites have a lot of extra resources, and you can get most of them on line as well.
There are a couple of other on-line ones that you might enjoy:
- an Italian one that has just recently been make available to English readers:
http://www.astropublishing.com/ (this is a freebie!)
- and Astronomy Technology Today (
https://www.astronomytechnologytoday.com/ )
Have fun!
- Dean