The U.S. government has received more than 700 reports of unexplained phenomena but have found no proof of extraterrestrial life, the Pentagon’s UFO office confirmed at a Thursday briefing.

Exposing the Truth,' the event aims to unveil details on U.S. government research into Unidentified Anomalous Phenomena (UAP)—the official term for UFOs—and disclose previously unreported findings from these investigations.

A former Pentagon official testified to Congress that the U.S. government has evidence that "we are not alone in the cosmos," but that a "cabal" of officials is hiding the information. The official, Luiz Elizondo,