Vandals of the Void

"Vandals of the Void" by Robert Wilson is a science fiction story set in a future where humans travel to other planets, but face a dangerous alien species that arrives on Earth. Art Douglas, a scientist, finds a strange, destructive organism and must protect Los Angeles and humanity from it; along with a colleague, Elene Moor, and a Martian scientist named Klalmar-lan, Art discovers a conspiracy involving alien creators and treachery on earth, which leads to a fight for survival. The story includes fast-paced action, mystery, and considers questions about the ethics of science as they attempt to elimiante a threat.