NOVA is the most-watched prime time science series on American television, reaching an average of five million viewers weekly.

NOVA | Asteroid: Doomsday or Payday? [HD]

In 2005, Nova began airing some episodes titled NOVA scienceNOW, which followed a newsmagazine style format. For two seasons, NOVA scienceNOW episodes aired in the same time slot as Nova.

Stream NOVA PBS episodes for free and find out when it's on TV, via PBS New York station THIRTEEN

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Visit the official website to watch full-length documentaries, or explore our world through short-form video, on our digital publication NOVA Next.