It's clear that NASA is running many projects that the public does not know about. People are not ready for some discoveries, and the space agency does not want to generate panic.
Paul Hertz, the head of the NASA astrophysics division, took his mouth off Imgur: "Take care what you want. If you knew at least a fraction of the stuff we were dealing with, you would not sleep at night. I promise you that. " Many people supposedly refer to the discovery of alien life forms.
After posting, Hertz returned to Twitter with another statement stating that there were no signs of alien life, but when they are discovered, NASA will announce it for sure.
He leads the Astrophysics Division in 2012. He studies the secrets of the universe, how it works and how it all began