Catalyst: Deep space telescope

“Catalyst” explores why astrophysicists launch a balloon carrying a 5,000-pound telescope into the stratosphere over Antarctica.

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In this segment:

Phil Mauskopf, PhD
Sam Gordon
Adrian Sinclair

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Animals take flight in 'Supernature - Wild Flyers'

The sky is one of the world’s most challenging places to thrive, but across the planet an extraordinary and unexpected range of animals does something we can only dream of – taking flight.

Enjoy classic musicals on New Years Day

'No Passport Required' returns for a second season to Arizona PBS

"No Passport Required," hosted and executive produced by renowned chef Marcus Samuelsson, will return to Arizona PBS for a preview of its second season on Friday, Dec. 13, at 8 p.m. The full season will premiere Jan. 20, 2020.