Questions about whether we're alone, or if there is someone else out there, used to be just for conspiracy theories, Now whistleblowers have the attention of the U.S. Congress.

Journalist Michael Shellenberger told the committee about information he received from a whistle-blower, an alleged special access program dubbed Immaculate Constellation, which scoops up all UFO or UAP photos, videos, and data from classified platforms and sensors. A document shared with the committee described one disturbing encounter.