Nasa's Unexplained Files

2:00 PM to 3:00 PM

Friday 21 November

Planet of the Metal Aliens

Season 4 of 8

Experts investigate if a nearby exoplanet could be the home to an alien civilisation after a new discovery confirms that life can thrive on such a world

Nasa's Unexplained Files airs on Discovery History +1 at 2:00 PM, Friday 21 November. (Subtitles.)

Topics

Education ➝ Science ➝ Factual Topics

Unexplained ➝ Mysteries