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."

The petition calling on the government to disclose any knowledge of or communication with extraterrestrial beings was signed by 5,387 people, and 12,078 signed the request for a formal acknowledgement from the White House that extraterrestrials have been engaging the human race.

“Hundreds of military and government agency witnesses have come forward with testimony confirming this extraterrestrial presence,” the second petition states. “Opinion polls now indicate more than 50 percent of the American people believe there is an extraterrestrial presence and more than 80 percent believe the government is not telling the truth about this phenomenon. The people have a right to know. The people can handle the truth.”

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The Paradigm Research Group, one of the organizations promoting the petitions, said that the response by a "low-level staffer" was unacceptable and that it would begin a new petition campaign.