"Nova" explores new discoveries and how we have come this far on Wednesdays at 8 p.m. on Arizona PBS.
"Retro Report" makes sense of the present by revealing the past. Celeste Headlee and Masud Olufani connect the present to the past with stories from "Retro Report," and New Yorker humorist Andy Borowitz adds his signature wit.
One of the most influential artists of the 20th century, Mark Rothko’s signature style helped define Abstract Expressionism, the movement that shifted the center of the art world from Paris to New York. "American Masters — Rothko: Pictures Must Be Miraculous" premieres Friday, Oct. 25 at 8 p.m. on Arizona PBS.