This set of digital paintings was created by Alexey Kozachenko. On DeviantART he is known as Nameless Designer. Just a few examples of his space and sci-fi work. Click on images for a much larger version. To see more check out Nameless Designer's Gallery at DeviantART.
Note: All artwork and images copyright © Alexey Kozachenko. Please do not use images without the permission of the artist.
Link: Nameless Designer's Gallery at DeviantART