On Chicago’s Northwest Side, a gently sloping riverbed occupies the former site of a small but historically important dam. We visit a popular fishing spot – for humans and birds alike – at River Park.

A new installation combining art, architecture and technology provides an immersive look at the underwater world of reefs.

The changes include a tightened verification process that will require anyone wanting to run ads pertaining to elections, politics or big social issues like guns and immigration to confirm their identity and prove they are in the U.S. 

People commonly adopt dog and cats from the pound, but there’s a new phenomenon in Chicago: stray chickens and roosters are being rounded up in an effort to find them their forever homes.

New rules for a scrap metal yard on the city’s North Side require the facility to reduce emissions of potentially cancer-causing compounds after it violated federal air pollution standards last summer.

News of a spike in wildfires in the Amazon led to an international outcry aimed at Brazilian President Jair Bolsonaro, who responded over the weekend by authorizing the deployment of 44,000 military troops to put out the fires. 

Since 1995, researchers in Chicago and from around the world have used Argonne National Laboratory’s Advanced Photon Source to create super bright X-rays to probe everything from dinosaur bones to atomic particles. But the APS has an even brighter future.

Ty, an 18-year-old California sea lion, had been living at the aquarium since 2005. Animal caretakers and veterinarians began monitoring him last week after noticing an uncharacteristic decline in his appetite.

About 180 miles southwest of Chicago, a wildlife conservation facility cares for hundreds of injured, sick or orphaned raptors. We go for a look and meet some of these incredible birds of prey.

The company did not give a timeline for when it might expand it to the U.S. and other countries, only that it will be in “coming months.”

Using satellite images and data on wildlife activity, scientists determined that artificial light levels found in more than a third of the city are altering the circadian rhythm and behaviors of animals throughout the city.

A steel company apologized for a spill of cyanide and ammonia that led to a fish kill and prompted the closure of beaches along Lake Michigan, saying it “accepts responsibility for the incident.”

No makeup was necessary for a pair of fuzzy sea otter pups the aquarium showed off to the media this week. “They get cuter every day,” said Tracy Deakins, a senior trainer of otters and penguins.

July was the hottest month measured on Earth since records began in 1880, the latest in a long line of peaks that scientists say backs up predictions for man-made climate change.

Ticks are so good at transmitting potentially dangerous illnesses like Lyme disease that we’re wise to give them our attention now and then. And in Illinois, ticks are now carrying a relatively new disease called Heartland Virus.

The Trump administration’s move to effectively weaken protections under the landmark law could have stark consequences for the 480 plant and animal species classified as endangered or threatened within Illinois.