“After 40 years I've decided to end my term as host and senior editor of this show I helped create,” Joel Weisman said. A special show next month will mark the show’s fourth decade, and Weisman’s final appearance as host.

Chicago television has a rich and colorful history. But few moments are quite as colorful—or bizarre—as the incident that happened to this very station in 1987.

At the Museum of Broadcast Communications, a new exhibition looks at a television phenomenon with strong ties to Chicago.

Northwestern University alum Lisa Byington made history earlier this month as the first woman to call a college football game on the Big Ten Network.

On Sunday, “The Vietnam War,” a new 10-part documentary from Ken Burns and Lynn Novick, premiered on WTTW. Burns and Novick were in Chicago last week and sat down with “Chicago Tonight” to talk about the epic work.

A new episode of “Frontline” shines a light on the little-known story of the only U.S. bank to be prosecuted in the fallout of the 2008 financial crisis. We speak with the director and producer of “Abacus: Small Enough to Jail.”

Filmmakers Ken Burns and Lynn Novick speak with us about their new 10-part documentary series, “The Vietnam War.”

A popular web series based in Chicago that highlights the “complex and flawed” lives of “regular people” has secured a development deal with HBO. 

If you want to know what Chicago looked like 200 years ago, head to the city’s southeast corner, where native wetlands, forests and prairies all come together.

After winning three Grammys and making national headlines this year for his contributions to the Chicago Public Schools, Chicago-born Chance the Rapper is set to receive another award later this month.

Vacant city lots are often dismissed as derelict urban eyesores, but now some environmentalists are viewing these empty spaces as ecological opportunities. 

“Chicago's Very Own," WGN-TV could be soon owned by a politically active, conservative broadcast company based in Baltimore.  

Coyotes have made a remarkable comeback in Chicago. What are the secrets to their survival in a dense metropolis? Marcus Krahnforst hunts for clues with noted biologist Stan Gehrt in this “Urban Nature” episode.

The monarch butterfly’s remarkable migration is in peril. Its habitat has been decimated by rapid urbanization and changing agricultural practices. Could cities come to the rescue?

New ways of producing, distributing and consuming TV shows means consumers no longer have to rush home to catch a scheduled broadcast.

Why do some squirrels live in more affluent neighborhoods, while others dwell in more disadvantaged ones? WTTW's online series “Urban Nature” has the story.