The change in the rule — it’s called “bottle-to-throttle” in the airline business — comes several days after two United pilots were arrested in Scotland and charged with suspicion of being under the influence before a flight to the U.S.

An onerous tax structure would virtually kill any chance that a Chicago casino operator could make a profit, despite an ability to make massive amounts of money, according to a newly released feasibility study.

Monarchs are in trouble, despite efforts by volunteers and organizations across the United States to nurture the beloved butterfly. And the Trump administration’s new order weakening the Endangered Species Act could well make things worse.

Asian carp will certainly survive and most likely thrive if they are able to make their way into Lake Michigan, according to a study released Monday by the University of Michigan.

A group of young men have chosen to escape street violence by living together in an innovative safe house. We discuss the program with the two Chicagoans who started it: Liz Dozier and Rami Nashashibi.

We visit the newly upgraded Nettie McKinnon Gallery inside in Park Junior High School in La Grange Park.

The first of three men charged in connection with the fatal shooting of Chicago police Officer John Rivera is going to trial this week. Jovan Battle, 32, is acting as his own attorney while facing a first-degree murder charge.

In the decade since federal exercise guidelines were first introduced, a study finds that adult exercise rates have essentially remained flat, while time spent sitting is on the rise.

Peek inside the soon-to-close, 25,000-square-foot “Hamilton” exhibition on Northerly Island and hear from the man who brought Alexander Hamilton back to life: Lin-Manuel Miranda.

Six people in Illinois have reported severe breathing problems after vaping. The Illinois Department of Public Health is now investigating these cases and five others, all reported since just May.   

There were eight mass shootings last year in the U.S. But with six mass shootings so far in 2019, the country is on track to match or surpass last year’s record, according to a Northwestern Medicine researcher.

Watch the Aug. 13, 2019 full episode of “Chicago Tonight.”

More than 30 countries have banned cosmetics testing on animals, and while the practice hasn’t been banned in the U.S., Illinois is now the third state to enact “humane cosmetics” legislation. The new law takes effect Jan. 1, 2020.

The Office of the U.S. Trade Representative says it would delay the tariffs to Dec. 15 on some goods, including cellphones, laptop computers, video game consoles, some toys, computer monitors, shoes and clothing.

Under the enforcement changes, officials for the first time will be able to publicly attach a cost to saving an animal or plant. Blanket protections for creatures newly listed as threatened will be removed.