Have you ever read The New Yorker?
I'm yet to read that ,but I know its an American magazine of reportage, commentary, criticism, essays, fiction, satire, cartoons, and poetry.   
That's a lot of stuff. How often do they publish it?
Its published by Condé Nast.
I don't think I have ever heard of them.
It Started as a weekly in 1925, the magazine is now published 47 times annually