Sears writes down the value of its trade name and the Sun-Times owner buys a stake in Tribune Publishing. We get the latest on these stories and more business headlines with Crain's Chicago Business deputy managing editor Ann Dwyer.

The expansion of O'Hare Airport will move forward with a new runway in an agreement announced by Mayor Rahm Emanuel. But noise issues and no new terminals leave critics of the plan confounded. The City's Aviation Commissioner is here to explain.

City and suburban residents have demanded that the Chicago Department of Aviation take steps to address the problem of O'Hare noise and today Mayor Rahm Emanuel met with members of one community group. Eddie Arruza has more on that meeting.

New rules that will allow rideshare services such as Uber and Lyft to start making pickups from O'Hare and Midway airports could be in place as early as Nov. 18. How will these changes impact taxi drivers and others who drive for a living? We speak with Peter Ali Enger of the United Taxi Drivers’ Community Council.

Complaints about jet noise at O’Hare International Airport topped more than 400,000 in May. On Thursday, Gov. Bruce Rauner signed legislation that will increase the number of runways allowed at O’Hare in an effort to mitigate jet noise affecting some Chicago neighborhoods and suburbs.

Joel Weisman and his panel of journalists discuss the pros and cons of a high-speed rail system between downtown and O'Hare airport.

We share what you had to say about air traffic noise near O'Hare Airport and Sandhill Cranes in tonight's viewer feedback.

Residents in Chicago and the suburbs complain that changes to takeoff and landing patterns at Chicago O'Hare International Airport are making previously quiet neighborhoods excessively noisy.

Passengers arriving from West Africa at O’Hare International Airport will be screened for Ebola. Paris Schutz details what the screenings involve for those passengers.

With thunderstorms forecasted in Chicago, airlines cancelled more than 700 flights at Chicago’s airports. The latest cancellations come less than a week after a fire at an Aurora radar facility resulted in thousands of cancelled flights. 

President Obama will be in Chicago this evening through tomorrow. Paris Schutz has more on why he's here, and why he's not coming into O'Hare or Midway airports.

Flight delays and cancellations are expected to continue at Chicago’s two airports following a fire being set at a radar facility in Aurora on Friday.

Millions of passengers travel through O'Hare every year, but dozens of burros, goats, and llamas call the airport home. Why? Paris Schutz explains.

After smoke led an Elgin radar facility to be evacuated, all inbound and outbound flights were stopped at O'Hare International and Midway airports, according to the Associated Press. 

Transit riders beware: the head of the CTA’s rail union says dozing off while driving a train is not all that uncommon. Read an article and watch a web extra video.

A blue line train derailed early this morning at O'Hare Airport, sending 32 people to the hospital. Paris Schutz has the details. Did you witness the derailment? Take any photos? E-mail us here if you'd like to share your photos and story with Chicago Tonight.