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Questioning the universe

13,563,953 views | Stephen Hawking • TED2008

In keeping with the theme of TED2008, professor Stephen Hawking asks some Big Questions about our universe -- How did the universe begin? How did life begin? Are we alone? -- and discusses how we might go about answering them.

In keeping with the theme of TED2008, professor Stephen Hawking asks some Big Questions about our universe -- How did the universe begin? How did life begin? Are we alone? -- and discusses how we might go about answering them.

This talk was presented at an official TED conference. TED's editors chose to feature it for you.

About the speaker

Stephen Hawking

Stephen Hawking

Theoretical physicist

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Stephen Hawking's scientific investigations shed light on the origins of the cosmos, the nature of time and the ultimate fate of the universe. His bestselling books for a general audience have given an appreciation of physics to millions.

This talk was presented at an official TED conference. TED's editors chose to feature it for you.