Looking back at a couple of influential dancers, and looking ahead to a weekend dance concert.

Still gathering stories on Janis Joplin's final Chicago-area performance...

At half an acre, the rooftop garden atop McCormick Place West is the largest in the entire region. We revisit the backstory behind this little-known space. Read an article.

Frank Lloyd Wright’s apprentice brought the Prairie School of Architecture to Europe. We take a look at the innovations of architect Barry Byrne with Vincent Michael, the author of The Architecture of Barry Byrne. Read a book excerpt and view a slideshow.

Another look at a truly unusual performance by Eric Clapton -- with additional photos.

In recent remarks, Pope Francis says the Roman Catholic Church has become “obsessed” with abortion, gay marriage and contraception.

The Bears pound Pittsburgh in primetime to remain undefeated. James "Big Cat" Williams joins us for his weekly post-game analysis. Watch a web extra video.

The Metropolitan Pier and Exposition Authority approved the design of the DePaul University basketball arena today. We talk with Pulitzer Prize-winning architecture critic Blair Kamin about the $173 million project, as well as his take on the controversial $51 million Illinois Capitol renovation project in Springfield. View a slideshow.

Run for Science, Apple Fest and contemporary artwork; Chicago Tonight knows what's going on this weekend.

Northwestern University's Mary and Leigh Block Museum of Art will be closed for the remainder of the calendar year.

The international art world comes to Navy Pier for the annual Expo Chicago. We get an early look as the artists, curators and gallery owners prepare for the big weekend. Read an interview with an exhibit curator and view a slideshow.

Geoffrey Baer answers your questions about disappearances, reappearances, and sudden appearances across Chicago – like the giant Buddha heads emerging from the earth in Rogers Park and North Lawndale – in this edition of Ask Geoffrey.

We revisit Jay Shefsky's profile of Chicago's sled hockey team -- that's the hard-hitting, fast-paced sport played by amputees and others with lower limb disabilities. Read an article and watch a web extra video.

A blues and soul singer to shake up your expectations. Read the Artbeat blog.

Chicago Sun-Times Theater Critic Hedy Weiss joins us to review shows currently on Chicago area stages, including Other People’s Money by Shattered Globe Theatre at Theater Wit, The Mountaintop at Court Theatre, and In the Heights at The Paramount Theatre. For our online audience, Weiss will also review A Raisin in the Sun at TimeLine Theatre. Learn more about the plays, and watch Hedy's web extra video review.

We revisit a story about a pair of artists who met, married and lived at Jane Addams’ Hull House during the Depression era. Their works are currently on view at the Koehnline Museum on the campus of Oakton Community College in Des Plaines. Read an interview and view a slideshow.