Astounding Science Fiction May 1955 (Volume 55, Number 3)
Illustrations by Kelly Freas, H. R. van Dongen. Cover by H. R. van Dongen (for "At Death's End.")

Novelettes: "Millenium" by Everett B. Cole (SF Title Changes wrongly credits this as part of The Philosophical Corps - but there are no text matches. Good story, though);
"Risk" by Isaac Asimov.

Stories: "Allamagoosa" by Eric Frank Russell (this won the Hugo Award for "best story)
"Watch Your Step" by Algis Budrys.

Serial: "The Long Way Home" (Part 2 of 4) by Poul Anderson (book title was No World of Their Own, and early pb. editions were abridged: 1955, 1962?.)

Articles: "Conquest of Space" (movie preview);
"How to Learn Martian" by Charles F. Hockett.

John W. Campbell's editorial is "The Demeaned Viewpoint"; Book reviews by P. Schuyler Miller.