UFOs Declassified, Red Alert

February 1942, and the sky over Los Angeles erupts as anti-aircraft guns begin firing on strange targets. Was this an extraterrestrial raid?

During the Cold War, strange lights and unidentified objects put governments around the world on red alert. Could extra-terrestrials have been responsible?

A look at some of the most widely witnessed UFO events ever, including large black triangular objects in the night sky regularly spotted in the 80s and 90s.

Alien autopsies, secret military files, and recovered pieces of an extra-terrestrial spacecraft: this is the story of the Roswell incident and the truth behind the UFO.

Are UFOs a threat to civil aviation? The culture of silence within the aviation industry could speak volumes.

Fighter pilots from the UK to Peru have encountered UFOs. What happens when a UFO gets too close for comfort?