Harper's Magazine
Harper's Magazine made its debut in June 1850, the brainchild of the prominent New York book-publishing firm Harper & Brothers. The initial press run of 7,500 copies sold out immediately, and within six months circulation had reached 50,000.
Although the earliest issues consisted largely of material that had already been published in England, the magazine soon began to print the work of American artists and writers -- among them Horace Greeley, Horatio Alger, Stephen A. Douglas, Winslow Homer, Mark Twain, Frederic Remington, Theodore Dreiser, John Muir, Booth Tarkington, Henry James, William Dean Howells, and Jack London. Several departments served to note regularly important events of the day, such as the publication of Herman Melville's new novel Moby-Dick; the laying of the first trans-Atlantic cable; the latest discoveries from Thomas Edison's workshop; the progress of the crusade for women's rights.
This publication has a website where you can access current articles.