Season 31, Episode 13 Origins: Where Are the Aliens?

First Aired: September 29, 2004

Astrophysicist Neil deGrasse Tyson explores whether life is unique to Earth. “The elements essential to life as we know it are widespread throughout the universe,” Tyson says, but no extraterrestrial life has yet been found. Why? One reason is that light emitted by stars blinds astronomers to the planets revolving around them.

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  • Premiered: March 3, 1974
  • Rating: None
  • Premise: PBS's premier science-documentary series, which has won six Peabody Awards and more than 20 Emmys (four in 2002 alone) since its 1974 debut. `Nova' clearly, and often engagingly, `demystifies' a vast range of science, technology and history topics---past a… (more)

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