Aliens have arrived, but it's not too late to save the world. First step: Solve this puzzle.
Puzzle: Mike Selinker, Illustration: Gary Musgrave
__Solution »__The configuration of the aliens represents a message encoded in 8 bit binary.
http://en.wikipedia.org/wiki/ASCII#ASCII_printable_characters
It spells
CALLMI / SSILEC / OMMAND.