It’s part of a four-year upwards trend that experts say is mostly normal weather variation but could be part of long-term severe weather increases related to climate change.

The singular beauty on display at Marian Byrnes Park is now more accessible than ever, thanks to new amenities added by the Chicago Park District.

Data centers are a hot topic in Illinois and around the country. Alongside more construction comes more public scrutiny.

Potential names should reflect Chicago's heritage, culture and diversity.

An avian soap opera is playing out in Waukegan where this year’s piping plover breeding season has been full of unexpected plot twists.

As cleanup continues from last week's storms, more severe weather is in the forecast for this week, with the greatest threat on Wednesday.

The Great Lakes Piping Plover Recovery Effort is reporting a record-setting 90 pairs of plovers in 2026, the most since the bird was listed as an endangered species in 1985.

The Ocean Observatories Initiative is a network of more than 900 ocean sensors built at a cost of $386 million. Over the last decade it has tracked ocean circulation, marine ecosystems, climate change and extreme weather.

The National Weather Service will be surveying damage from multiple reported tornadoes that touched down Thursday, while recovery efforts continue from the derecho that walloped Chicago on Wednesday.

The National Weather Service is tracking two rounds of severe weather Thursday.

Chicagoans should prepare for multiple rounds rounds of thunderstorms and uncomfortably hot and humid conditions on Wednesday and Thursday.

“Flyway City,” a new exhibit at the Chicago Architecture Center, calls on Chicagoans to do better by birds. It shows solutions that are saving lives.

WTTW News Explains on the common myths around tornadoes and how the weather events can hit Chicago.

While a number of high-profile bills failed to garner enough support during the spring session of the Illinois General Assembly, the designation of an official state bee sailed through both the House and Senate.

Admire the creativity of the region's green thumbs and discover inspiration on garden walks, hosted by neighborhood associations and garden clubs across the area.

On Friday, the U.S. Fish and Wildlife Service finalized its designation of critical habitat for the endangered bumblebee. Counties in six states, including Illinois, are listed in the new ruling.