Galaxy Science Fiction magazine was published from 1950 to 1976. Many of the Science Fiction masters got their start in its pages – Ray Bradbury, Robert A. Heinlein, Harlan Ellison & Robert Silverberg.
If you want to read some of the short stories published in Galaxy, you can do that now for free. Go to Archive.org and all of the issues (355) have been digitized and are available to download.
If old issues of Galaxy doesn’t excite you fear not. There are over 6,000,000 other items in the archive collection.