But fear not lovers of all things fall, more seasonal weather is on the way.

The more scientists can learn about the Chicago colony of black-crowned night herons, the more they can help these birds help themselves. Because night herons are hanging on in Illinois by a thread.

Meet Ellis Chesbrough, Chicago’s first city engineer and designer of the water delivery system we still use today. WTTW News Explains how water cribs work out on Lake Michigan. 

The first sighting of the invasive pest was confirmed in Chicago, but we’re years from a major infestation and have learned from cities like Pittsburgh how to minimize the nuisance, an expert said.

The insect was found in the Fuller Park neighborhood of Chicago, according to a spokesman for the Illinois Department of Agriculture.

More than a year after the National Museum of Puerto Rican Arts and Culture began construction on a non-permitted facility in historic Humboldt Park, a community meeting has been scheduled to discuss the project's status and explore future possibilities for the structure.

Under the “Sun and Save” program, solar photovoltaic systems will be supplied and installed at no cost for income-qualified county residents.

An invasive mussel is destroying shipwrecks deep in the depths of the Great Lakes, forcing archeologists and amateur historians into a race against time to find as many sites as they can before the region loses any physical trace of its centuries-long maritime history.

The American flamingos spotted Friday in Port Washington, about 25 miles north of Milwaukee, marked the first sighting of the species in Wisconsin state history.

The event brings out hundreds of University of Chicago scientists who will take over the campus offering panels, experiments and demonstrations to fascinate the whole family.

The front lawn of the Museum of Science and Industry nearly erupted as 90 volcanoes shot off in celebration of the Chicago institution’s 90th birthday. 

During the fall and spring equinoxes, the sun rises due east and sets due west, creating an effect dubbed “Chicagohenge.”

Created back in 1994, the day is meant to celebrate the connection between people and the green space in their community. 

The Forest Preserve District of Will County is celebrating the birds’ fall arrival during Saturday’s Pelican Watch event at Four Rivers Environmental Education Center in Channahon.

The last time the conservation organization experienced a changing of the leadership guard, the year was 1988, Ronald Reagan was president, Mike Tyson was heavyweight champ, and floppy disks were still a thing.

If their nests become waterlogged, ants will evacuate and form a waterproof ball that floats on the surface until the waters recede.