Are there alien intelligences? How could we communicate with them? The answers to these questions take us to Egypt to decode ancient hieroglyphics, and to the largest radio telescope on Earth.
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Cosmos | Who Speaks for Earth?... (#113)
Full Program: This is the famous episode on nuclear war in which Dr. Sagan argues that our responsibility for survival is owed... 01:02:02
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Cosmos | One Voice in the Cosmic... (#102)
Full Program: Dr. Sagan's cosmic calendar makes the history of the universe understandable and frames the origin of the Earth and... 01:00:09
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Cosmos | The Persistence of... (#111)
Full Program: The brain is the focus of this fascinating portion of our journey as Dr. Sagan examines another of the intelligent... 58:25
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Cosmos | The Edge of Forever | PBS (#110)
Full Program: Dr. Sagan leads us to a time when galaxies were beginning to form, and to show how humans of this century... 01:03:06
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Cosmos | The Lives of the Stars... (#109)
Full Program: Using computer animation and amazing astronomical art, Dr. Sagan shows how stars are born, live, die and sometimes... 59:26
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Cosmos | Travels in Space and... (#108)
Full Program: A voyage to see how star patterns change over millions of years is followed by a journey to the planets of other... 01:01:25
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Cosmos | Travellers' Tales | PBS (#106)
Full Program: Dr. Sagan compares explorers who ventured in sailing ships halfway around our planet in their quest for wealth and... 01:00:59
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Cosmos | Heaven and Hell | PBS (#104)
Full Program: A descent through the hellish atmosphere of Venus to explore its broiling surface serves as a warning to our world... 01:01:05
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Cosmos | The Harmony of the... (#103)
Full Program: This episode is a historical re-creation of the life of Johannes Kepler, the last scientific astrologer, the first... 58:31
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Cosmos | The Shores of the Cosmic... (#101)
Full Program: At the beginning of this cosmic journey across space and time, Dr. Carl Sagan takes us to the edge of the universe... 01:05:10
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Cosmos | The Backbone of Night... (#107)
Full Program: Humans once thought the stars were campfires in the sky and the Milky Way "the backbone of night." 58:37
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Cosmos | Blues for a Red Planet... (#105)
Full Program: Is there life on Mars? Dr. Sagan takes viewers on a tour of the red planet first through the eyes of science fiction... 01:01:11
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Life Beyond Earth | Timothy...
Does life exist beyond Earth? The unanswered question has transfixed stargazers for centuries. Life Beyond Earth,... 01:45
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NOVA scienceNOW | Detecting Life... (#402)
Once we find a planet that has Earth-like potential, how can we tell if there is life on it? Harvard... 04:07
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NOVA scienceNOW | Leeches, The... (#305)
Full Program: “Leeches”--Leeches, those innocent bloodsuckers, have been bad-mouthed to the point that they’ve become synonymous... 51:58
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NOVA scienceNOW | Hello, this is... (#305)
If Earth received a message from outer space what, if anything, would we say back? Jill Tartar, director of the SETI... 04:58
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WIRED SCIENCE | Satellite...
It's been 50 years since the first satellite, Sputnik, was launched into orbit. Now, communication satellites are... 04:02
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NOVA | Fabric of the Cosmos:...
The Fabric of the Cosmos: Quantum Leap. Premiering November 16, 2011 on PBS. 00:30
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NOVA | Fabric of the Cosmos:...
The Fabric of the Cosmos: Universe or Multiverse? Premiering November 23, 2011 on PBS. 00:30
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Post Date: March 19, 2009








