Newly declassified US government records include mysterious infrared footage, astronaut accounts from NASA missions and unexplained sightings dating back decades.

A first tranche of files dating back to 1948 has been released to provide greater transparency regarding unidentified flying objects. Although the archive features unusual sightings reported by astronauts and pilots,

The Pentagon released a new batch of files on UFOs, tapping into public intrigue about the unidentified phenomena. Here's what to know. (AP Photo)

The Pentagon’s newly released UFO files reveal decades of unexplained sightings, from glowing orbs and star-shaped objects to Apollo astronauts reporting mysterious lights, though officials say there is still no confirmed evidence of extraterrestrial life.

The Pentagon on Friday released online what it called “new, never-before-seen” files, dating back decades, related to unidentified flying objects.

From infrared “eight-pointed star” footage to astronaut-reported “bogey” objects and unexplained lunar flashes, newly released Pentagon files revisit decades of unidentified sightings across military