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
New video footage of multiple unknown lights in triangle formation filmed over Seattle, Washington
It sounds like something more akin to alchemy, but engineers have developed a new light powered by gravity.
Interesting UFO image taken over Bitexco Financiel Tower, Ho Chi Minh City, Vietnam on the 22nd May 2015