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Official YouTube Channel for the works of celebrated scienti
“The suppression of uncomfortable ideas…”
Carl Sagan describes our place in the universe
A Quantum Love Story featuring poetry by Ann Druyan with music by Tonio Sagan x Moon Hooch
Who Speaks For Earth?
Carl Sagan discussing Nuclear Winter with congress 1985
Carl Sagan teaching students about the Milky Way galaxy
The scientific illiteracy of Americans is scandalous
Carl Sagan calls out mainstream media
Carl Sagan on UFO’s - “Extraordinary claims require extraordinary evidence”
Carl Sagan on why NASA should go to mars
“The Persistence of Memory”
Carl Sagan on Star Wars in 1978
If we are not able to ask skeptical questions..
Laws of Nature
Carl Sagan on the silver lining behind solving our global environmental issues
We've arranged a society based on science and technology…
Carl Sagan talks nuclear war on Larry King Live
“In the Cosmos, there is no refuge from change.”
Carl Sagan explains how the Ancient Greek knew the earth was round
Imagine a room awash in gasoline - Carl Sagan
Why is the grass green? - Carl Sagan on The Tonight Show with Johnny Carson 1977
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Official YouTube Channel for the works of celebrated scientist and astronomer Carl Sagan.
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