A never-before-seen NASA report titled 'UFO sighting' features conversations between astronauts in space and the grounds team, discussing a mysterious vehicle in orbit.

New government UFO files reveal Apollo 17 astronauts saw 'Fourth of July' like flashes and other strange phenomena during a 1972 mission to the moon.

Apollo 17 astronauts reported a string of unexplained lights and objects around the Moon during their 7–14 December 1972 mission, according to newly released Pentagon UAP files, while a long-time friend of commander Eugene Cernan now claims the crew received a chilling mental warning from aliens to 'never return.

We frequently question whether we are alone in the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. This article was originally published at The Conversation. The publication contributed the ...