The Fermi paradox ask why we have not found alien life
New video of multiple UFO lights hovering over Terrebonne, Canada on 31st May 2015.
Video footage of bright unknown objects hovering in the sky above Conyers in US state Georgia.
UFO activity filmed over Diego, California on May 24, 2015.
The Chronicles of the Future tell the bizarre, incredible experience of a man who traveled to the future
A YouTube UFO hunter claims to have found an old NASA video clip from the 1971 Apollo 15 mission which shows a flying saucer UFO
Air Force bosses have revealed they hope to have a hypersonic plane capable of crossing countries in minutes by 2023.
New video of an unknown object hovering over Hanover in Germany on Sunday, 31st May 2015.
500-year-old engraving claims to show one of world's only depictions of the artist