Image: Sir Stephen Hawking makes a rare public appearance
Facundo Arrizabalaga / EPA

NBCNews.com   |  May 01, 2013

Space may be next frontier for Stephen Hawking

Physicist Stephen Hawking confirms his non-stop zest for life and says he's signed up for a ride into suborbital space aboard Richard Branson's Virgin Galactic. NBCNews.com's Dara Brown reports.

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