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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'Big Band Years' explores hits of the 1930s

Look back at the biggest songs that got us through World War II and kick-started the baby boom with brassy legends that will take you on a "Sentimental Journey." Peter Marshall (of the legendary Hollywood Squares) hosts this special, which for the first time mixes vintage live, rare and unreleased footage from the Big Band days.

'An Intimate Evening with David Foster'

Enjoy an evening filled with a star-studded concert with the 16-time Grammy winner David Foster. Join him as he explores the music of his career with guests Laren Allred, Pia Toscano, Fernando Varela, Sheléa Frazier, Katharine McPhee and more.

PBS NewsHour special examines consequences of plastic use

By 2050, there will be more plastic than fish in the oceans. On Wednesday, Nov. 27, at 9 p.m., PBS NewsHour takes a closer look at this now ubiquitous material, how it's impacting the world and ways we can break our plastic addiction.