As President Donald Trump rediscovers the value of NATO we sit down with U.S. Rep. Randy Hultgren to talk about the president’s foreign and domestic agenda.

Joining us with the latest in the world of the built environment is Blair Kamin, the Chicago Tribune’s Pulitzer Prize-winning architecture critic. 

With an eye toward Earth Day, Shedd Aquarium has launched a campaign encouraging people to switch from single-use plastic straws to reusable or biodegradable alternatives.

The Chicago Housing Authority is playing catch-up on a goal it planned to meet eight years ago. We speak with CHA CEO Eugene Jones about the city’s public housing plans.

The U.S. Preventive Services Task Force is revising its recommendations on prostate cancer screenings, including its position on the controversial PSA test.

Mayor Rahm Emanuel and U.S. Education Secretary Betsy DeVos met in the nation’s capital for a “wide ranging” discussion Wednesday morning that centered on the road ahead for Chicago education.

A viewer wonders what became of a Chicago burger chain that borrowed its name from a cartoon moocher. Geoffrey Baer serves up some hamburger history in this encore edition of “Ask Geoffrey.”

As artwork by a Chicago artist orbits the Earth aboard the International Space Station, a medley of professionals will explore how technology and artificial intelligence have shaped their industries. 

Lawmakers at multiple levels of government are calling for probes into what happened on Sunday night aboard United Airlines flight 3411.

Watch the April 11, 2017 full episode of "Chicago Tonight."

The Obama Foundation announced Tuesday three Chicago-based firms will lead the project management team for the Obama Presidential Center in Jackson Park.

A behind-the-scenes look at what some think is the second most powerful position in government: White House chief of staff.

Experts in Chicago are working to save one of the world’s most endangered birds. 

When will Chicago Public Schools hold its last day of class? There could be clarity next week, when a Cook County judge rules on a pair of motions in the district’s ongoing suit against Gov. Bruce Rauner.

Dan O’Brien has embarked on what he calls his “Lenten architectural pilgrimage” for about 10 years. “The artistic effort that was put into designing these spaces ... were all meant to tell a story,” he says.