Dr Hal Puthoff, a former Pentagon advisor, noted that individuals involved in UFO recovery efforts mentioned four alien types ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...

A new documentary claims the US government has hidden evidence of UFOs and alien life for decades, with insiders alleging a secret programme operated beyond congressional oversight.