The telescope was invented 400 years ago. A new PBS special looks at its powerful impact on science and religion. We speak with the director. 400 Years of the Telescope

Eddie Arruza and his panel have the latest on the International Olympic Committee's evaluation and tour of Chicago.

They have taken viewers from the wilds of Africa to the inside of a stem-cell research lab to inner-city Chicago. We hear from the head of Chicago's award winning documentary house, Kartemquin Films. "Milking the Rhino"

Chicago Tonight is marking its 25th anniversary this month. Tonight we look back on some of the key moments in history captured on this program.

We hear what you had to say about some of our recent stories when we read our viewer mail.

John sits down with longtime political reporter Andy Shaw who just retired from ABC 7 News.

Rich Samuels has a preview of the International Olympic Committee's tour of Chicago and the protestors they may face.

Hedy Weiss joins us with her review of the national tour of "Mary Poppins," which just opened in Chicago. "Mary Poppins" "Curtains" "Blue Surge"

We have a performance from the Chicago band "Bubbly Creek" in advance of the Chicago Bluegrass Festival.

We take a tour of the new exhibition at the Chicago History Museum that explores our city's high fashion credentials. Chic Chicago

The Alvin Ailey American Dance Theater is known for its smooth blend of ballet, jazz, and modern dance. This week, the company stops in Chicago to celebrate its 50th anniversary. We meet an Alvin Ailey dancer, as well as the executive director of the Auditorium Theatre, where the company will be performing. Alvin Ailey American Dance Theater 50th Anniversary Celebration

We explain why some viewers had difficulty watching Chicago Tonight last night when we read some of our viewer mail.

There's an amazing new eco-friendly house in the Ravenswood neighborhood. It reuses its water and generates more electricity than it will ever use. Geoffrey Baer takes us on a tour of this home of the future. For more on the Yannell Zero Net Energy Residence The architects The contractors

You know the painting, but do you know the painter? The curator of the Art Institute's new exhibition about Edvard Munch reveals the myth behind the man. For more on the AIC's Edvard Munch Exhibition

The luck of the Irish has run out on Chicago's South Side Irish Parade. Eddie Arruza and his panel will explore how alcohol and out-of-control crowds are forcing organizers to pull the plug on a 30-year-old St. Patrick's Day tradition. South Side Irish Parade

Chicago Sun-Times theater critic Hedy Weiss says "The Quiet Man Tales" is a beguiling play that speaks volumes about Irish culture. Hedy joins Phil with a review of the world premiere production at the Chicago Theatre Downstairs. Hedy Weiss at the Chicago Sun Times