This is Mystery in Space 10, published by Mimosa (SA Magazine Co) +/- 1964.
It reprints the cover and both stories from DC Comics' Mystery in Space 84 (1963):
"The Powerless Weapons of Adam Strange!"
"The Alien Earthmen!"
Also reprinted is this story from DC Comics' Mystery in Space 44 (1958):
Space Cabbie: "Riddle of the Glowing Space-Cabby!"
32 pages, full-colour, glossy cover and black-and-white interior pages.
Here is the cover of issue 10 and DC Comics' original cover:
Mimosa Mystery in Space Series