Chicago tied a record Wednesday for high temperature when the mercury hit 74 degrees at O’Hare Airport, and more records could fall in the coming days.

An upcoming virtual tour will offer insights into the Metropolitan Water Reclamation District’s inner workings and will revisit the reversal of the Chicago River. 

We gain an hour this weekend when daylight saving time ends at 2 a.m. Sunday. 

Saturday’s full moon will be the second one in October, earning the label “blue moon.” It’ll have a red companion, in the form of Mars. 

The trail, which took nearly 60 years to complete, was one of 30 designated a National Recreation Trail by the U.S. Department of the Interior.

From eating mosquitoes to restoring rainforests to making tequila (sort of), bats are amazing. The creature gets its due during International Bat Week, running through Oct. 31.

Opponents of the Obama Presidential Center care more about trees and traffic than they do about people impacted by decades of systemic disinvestment, proponents of the project said in an open letter.

Leaves don’t belong in the streets, or in dumpsters. Call 311 for a yard waste pickup after you’ve raked and bagged your leaves.

When the pandemic hit, city officials found there was a significant information gap when trying to collect race and ethnicity data. What researchers at DePaul University is doing to help narrow that gap.

The coronavirus pandemic has given rise to a cycling boom in Chicago, but many riders face on-street bike lanes that are blocked or in disrepair. An advocacy organization wants to combat the problem with its new mobile app.

Community organizers on Chicago’s Southeast Side are marshaling their forces and looking for solutions to address what they see as yet another environmental threat to their already beleaguered neighborhood.

She’ll be the first woman and the first Black American to be president and CEO of the Museum of Science and Industry when she starts her new job in January. Chevy Humphrey joins us in discussion.

Chicago recorded its first official trace of snow of the season at O’Hare Airport on Monday morning, according to the National Weather Service. Oct. 30 is the “normal first date” for snow.

Scientists in Washington state have discovered the first nest of so-called murder hornets in the United States and plan to wipe it out Saturday to protect native honeybees, officials said.

Efforts to increase demand for Asian carp as a food are aimed at buying time for development of a long-term solution to the threat posed by the invasive fish.

It's getting to be the time of year when young coyotes strike out from home in search of a mate and a territory to call their own.