The internet erupted this week after a physicist with past NASA ties claimed astronauts may have witnessed strange objects in space, including snake-like shapes seen by a shuttle pilot. Supporters say ...

This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Jessica Mendoza: Has the United States government ever made contact with UFOs?

A US congresswoman claims classified proof of non-human intelligence as UFOs and interdimensional beings. We analyse whether governments are really hiding aliens.

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