Humanity has always looked up at the night sky and wondered what is hiding out there. Entire galaxies, black holes, strange planets, and maybe even alien civilizations could be waiting to be ...
Researchers in Geneva, Switzerland make an incredible discovery of exoplanets that may be home to extraterrestrial life. See more in this clip from Season 4, Episode 15.
Radio signals have been detected coming from a planet beyond our Solar System, giving astronomers insight into exoplanets' magnetic fields.
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