Flying discs, metallic orbs, and a mysterious cylinder tumbling past the Apollo spacecraft. Those are just a few of the unidentified anomalous phenomena, or UAP, contained in a batch of government files the Department of Defense released this month.

A group of Christian pastors issued a stark warning that President Donald Trump's release of "alien files" could shake the foundations of Christian beliefs. The American pastors claimed that U.S. intelligence officials have held a series of meetings with ...

Dr. Tyson is an astrophysicist and the author of “Take Me to Your Leader: Perspectives on Your First Alien Encounter.” See more of our coverage in your search results.Encuentra más de nuestra cobertura en los resultados de búsqueda. Add The New York ...