Aliens is the common name used to describe creatures that the public believes come from outter space. The variety referred to as the "common gray" is in fact a creation of genetic engineering by U.S. scientists from the mid-40's. In fact all alien varieties, whatever they may be, were created by the U.S. government.
Alien abductions are reported constantly throughout the world to this day. To help explain some of the confusion you may have involving this subject, let us break down the history and scope of their creation.
You can end any alien abduction by invoking the name of Jesus. They don't like that. Keep telling them over and over that Jesus commands them to leave and they will have no power over the situation.