A tiny, fingernail-sized organism that some are calling the scourge of the Great Lakes is fundamentally altering marine life. Ash-har Quraishi reports on a devastating invasive species that is causing ripples all the way up the food chain.

We meet the man behind the volunteer organization that beautifies the darkest areas of Chicago.

Chicago architect Jeanne Gang recently won a MacArthur Genius grant. Gang is the subject of a new, in-depth profile airing nationally on PBS: Jeanne Gang: The Sky's the Limit.

As Veterans Day approaches, we talk with a retired naval commander -- who's also a psychologist -- about the mental health impacts of 10

Chicago's Gay and Lesbian Hall of Fame celebrates its 20th anniversary tonight. We learn about one of the inductees, groundbreaking ragtime musician, Tony Jackson.

Journalist Tom Brokaw talks about political scandal, the Republican presidential field and his new book about recapturing the American dream.

Hollywood loves it when giant rocks fall from space, but scientists assure us that the asteroid passing close to Earth tonight will NOT hit us. We have a close encounter with our science guy, Neil Shubin, who also has a little show-and-tell with a huge fossil.

Nearly 40 percent of Chicago Public School students drop out. Why are they dropping out and what can be done to get them back on track to graduate? Elizabeth Brackett looks at two programs with some answers. Then, we talk with Schools CEO Jean-Claude Brizard about the dropout epidemic and how CPS is working to change it.

A new documentary that will air here on Channel 11 showcases a Highland Park High School senior with Tourette Syndrome. We hear from that young man who's become an inspirational youth ambassador for a disorder that's often misunderstood.

He was a curator for more than 25 years, and now Douglas Druick is the new President of The Art Institute of Chicago. He's here to tell us what he has in store for one of the city's highest profile cultural institutions.

Bicycle polo is rising in popularity, and one of the best teams in the world happens to be right here in Chicago. Ash-har Quraishi takes a look at the two-wheeled sport and its hundred-year-old history. 

DePaul University, the largest Catholic college in the country, now has its first openly gay student body president. We meet him and find out why he's chosen to make this public announcement.

Believe it or not, teen idol Justin Bieber is not only an international sensation, but he's a devout Christian. Longtime Chicago religion writer Cathleen Falsani is here to talk about her new book, Belieber!