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Alien Technology

   2017    Science    HD
Is there anyone out there? Astronomers have been pointing their radio telescopes at the skies for decades trying to pick up alien signals, so far without success. But now there's a new way of looking for aliens. Hitch a ride with Dr Graham Philips as he joins astronomers trawling through the galaxy looking for signs of extra-terrestrial intelligence.
Series: Catalyst

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.

Galapagos with David Attenborough
Galapagos with David Attenborough

   2013    Nature
Seven Ages of Rock
Seven Ages of Rock

   2007    Art
The Sky at Night
The Sky at Night

   2020    Science
The Secret History of Writing
The Secret History of Writing

   2020    History
Top Gear
Top Gear

   2012    Technology
Conquistadors
Conquistadors

   2002    History
Black Hole Apocalypse
Black Hole Apocalypse

   2018    Science
The Crusades
The Crusades

   2012    History