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Strange Signals from Outer Space

   2017    Science
For decades some have suspected that there might be others out there, intelligent beings capable of communicating with us, even visiting our world. It might sound like science fiction, but today scientists from across the globe are scouring the universe for signals from extraterrestrials. Horizon obtained exclusive access to film researchers at the Green Bank Telescope searching for radio signals from Tabby's Star, a star so mysterious that some scientists believe it might be surrounded by a Dyson Sphere, a vast energy collector built by advanced aliens.

Encyclopaedia Galactica

   1980    Science
Questions are raised about the search for intelligent life beyond the Earth, with UFOs and other close encounters refuted in favor of communications through SETI and radio telescope such as the Arecibo Observatory. The probability of technically advanced civilizations existing elsewhere in the Milky Way is interpreted using the Drake equation and a future hypothetical Encyclopedia Galactica is discussed as a repository of information about other worlds in the galaxy. The Cosmos Update notes that there have been fewer sightings of UFOs and more stories of abductions, while mentioning the META scanning the skies for signals.
Series: Cosmos
D-Day
D-Day

   2013    History
Wonders Of The Universe
Wonders Of The Universe

   2011    Science
The Wehrmacht
The Wehrmacht

   2007    History
Human Planet
Human Planet

   2011    Culture
Life Story
Life Story

   2014    Nature
The Cell
The Cell

   2009    Science
Ancient Rome
Ancient Rome

   2006    History
Galapagos with David Attenborough
Galapagos with David Attenborough

   2013    Nature