The Trump administration announced the release of newly declassified Unidentified Anomalous Phenomena records, launching a Department of War website to provide public access to government files as part of a transparency push.

Newly declassified images from NASA’s Apollo missions have brought up an age-old question: Are aliens real?

The Trump administration released 162 declassified UFO-related files on Friday, including an FBI memo describing humanoid beings "three and a half to 4 feet tall" wearing space suits, infrared footage of a mysterious "eight-pointed star" object recorded by US military personnel,

A famous 'alien' photo, recently circulated as declassified material, has been traced back to a 1950 hoax, fuelling scepticism about the alien claims the Pentagon had been teasing for release.

Declassified US records reveal hundreds of unexplained aerial sightings from military and civilians.