The four-star general who served as the country’s 26th defense secretary spoke Wednesday in Chicago to promote his new book, “Call Sign Chaos: Learning to Lead.”

When driving along the Kennedy Expressway, you may have noticed massive churches that seem to almost line up with the curves and bends of the highway. Geoffrey Baer explains.

Watch the Sept. 11, 2019 full episode of “Chicago Tonight.”

OxyContin maker Purdue Pharma reached a tentative deal Wednesday with about half the states and thousands of local governments over its role in the nation’s deadly opioid epidemic.

The Chicago Public Schools CEO took to the nation’s capital Wednesday to call for additional federal resources for local programming that helps students process and heal from violence.

President Donald Trump said Wednesday his administration will propose banning thousands of flavors used in e-cigarettes to combat a recent surge in underage vaping.

The proportion of Americans without health insurance edged up in 2018 — the first evidence from the government that coverage gains under President Barack Obama’s health care law might be eroding under President Donald Trump.

Mayor Lori Lightfoot says Chicago needs to close an $838 million budget gap. A block of progressive groups and some aldermen are looking to corporations to close it.

Eighteen years after the deadliest terrorist attack on American soil, the nation is still grappling with the aftermath at ground zero, in Congress and beyond. 

McDonald’s customers might soon be giving food orders via voice recognition technology, a move that could possibly eliminate workers. That and other business news from Crain’s Chicago Business.

New numbers show that high school football participation in Illinois is at its lowest point in decades. We discuss the decline with a youth football coach and the son of former Chicago Bears player.

Talk of a possible city congestion tax is heating up. On Monday, the CEO of Uber said he supported the idea to help ease Chicago traffic and raise revenue. But how would it work, and could it drive away business?

Adler Planetarium astronomer Mark Hammergren explains how a space-based sentry can help detect asteroids that will pass near Earth.

Chicago’s third-tallest building, the Vista Tower, is being touted for it’s unique curvilinear-shaped structure. But it’s the engineering secrets you can’t see that really set this skyscraper apart.

A freight train bearing a flammable liquid used in solvents derailed in an Illinois suburb of St. Louis on Tuesday, causing a fire that sent thick, black smoke into the air and prompted the evacuation of nearby schools and residences.