Despite more than 5,000 public comments opposing the permit, the Illinois Department of Natural Resources this week approved an application for the controversial oil-drilling practice.

Along Wolf Lake on Chicago’s Southeast Side lies the only Illinois state park within city limits, where visitors can find fishing spots, biking trails – and invasive species.

Despite a spate of recent reports, the Illinois Department of Natural Resources says that reintroducing alligator gar into Illinois' waterways will not prevent Asian carp from reaching Lake Michigan.

On Monday, the state of Illinois announced the reopening of the Illinois State Museum, a 138-year-old institution closed by Gov. Bruce Rauner last September. But it's not exactly that easy. 

Two organizations have joined forces to release nearly 200,000 fish into the Chicago and Calumet waterways over the past two years.

The Illinois Department of Natural Resources and Friends of the Chicago River are releasing 30,000 channel catfish into the Chicago River.