The White House has responded to two petitions asking the U.S. government to acknowledge formally that aliens have visited Earth and to disclose any intentional withholding of government interactions with extraterrestrial beings.
"The U.S. government has no evidence that any life exists outside our planet, or that an extraterrestrial presence has contacted or engaged any member of the human race," Phil Larson from the White House Office of Science and Technology Policy reported on the WhiteHouse.gov website."In addition, there is no credible information to suggest that any evidence is being hidden from the public’s eye."
None whatsoever. ;-) To read more, click here.