Ideas worth spreading

Why can't we see evidence of alien life?

2,914,216 views | Chris Anderson • TED-Ed

Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question are numerous and intriguing, alarming and hopeful. [Directed by Andrew Park, narrated by Chris Anderson].

Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question are numerous and intriguing, alarming and hopeful. [Directed by Andrew Park, narrated by Chris Anderson].

This video was produced by TED-Ed, TED’s youth and education initiative.

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Chris Anderson

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After a long career in journalism and publishing, Chris Anderson became the curator of the TED Conference in 2002 and has developed it as a platform for identifying and disseminating ideas worth spreading.

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TED-Ed Original lessons feature the words and ideas of educators brought to life by professional animators.

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This video was produced by TED-Ed, TED’s youth and education initiative.

Read more about TED-Ed.