Catalyst: Improved crops could lead to cleaner oceans

How can changing the root systems of our crops improve the health of the world’s oceans? “Catalyst” finds one Arizona State University scientist has discovered that stronger roots may be part of the answer.

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Roberto Gaxiola

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'Nova' delivers stories from the front lines of science

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From Viking armies to space exploration, "Nova" explores our world on Wednesdays at 8 p.m. on Arizona PBS.

See legendary author, comedian and filmmaker John Waters at Celebrity Theatre June 30

Longtime comedian, filmmaker and author John Waters comes to Celebrity Theatre in Phoenix on Sunday, June 30, for a night of risque and not-so-politically-correct humor.

'Chasing the Moon' celebrates a controversial undertaking during a volatile time

Experience the thrilling era of the space race, from its earliest days to the 1969 moon landing, on Monday, July 8 – Wednesday, July 10, at 8 p.m. each night.