'No cover-up', that is exactly what they would say if they were covering something up... . Of course, our government has shown an inability to keep almost anything secret so I doubt they could cover something that big up.
"The White House says there is no evidence of life beyond Earth -- and no cover-up by the government -- but scientists are still searching.
"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," writes an Obama administration official on the White House website.
Phil Larson, who works on space policy and communications at the White House Office of Science & Technology Policy, also writes that "there is no credible information to suggest that any evidence is being hidden from the public's eye."
President Obama's White House responded to a petition claiming a government cover-up of contact with space life."