With its building “full to the brim” with cats and dogs, Chicago’s municipal-run animal shelter is waiving adoption fees for those looking to bring home a new pet this holiday season.

Fix Chicago 2019 aims to end the killing of shelter pets in Chicago. The first task of the new group? Taking inventory of where candidates running for city office stand on various animal welfare issues. 

The Trump administration is taking another swing at coal regulations, announcing that it plans to ditch an Obama-era rule that set pollution limits for new coal-fired power plants.

The first chunk of Illinois’ windfall from the Volkswagen emissions lawsuit settlement will fund cleaner-burning bus and train engines for CTA, Metra, Pace and other agencies.

Medical professionals and public health advocates in Illinois are calling on lawmakers to pass legislation to curb limiting what they say is a “reckless overuse” of antibiotics in meat-producing animals.

Chicago’s recent designation as the country’s “rat capital” can be attributed in large part, a new study finds, to a particular type of home: rental units. 

It took six months, a voyage of 300 million miles and a final “seven minutes of terror,” but NASA’s InSight spacecraft on Monday touched down on Mars in a landing the craft’s chief engineer called “flawless.”

The renovated medical and surgery areas at Chicago Animal Care and Control will replace the shelter’s existing medical unit, which is more than 20 years old. 

The Chicago area was slammed with up to a foot of wet snow, and whiteout conditions stalled commuter traffic on the roads.

A new analysis shows that closing Chicago's final two vehicle emissions testing facilities came at a cost to hundreds of thousands of city drivers, with the biggest impact on low-income and minority drivers. 

Chicago’s recycling woes have been well-documented, but a new report shows that at least five other cities in Illinois are failing to meet average U.S. recycling rates.

Lawmakers are set to consider legislation this week that would limit the use of antibiotics in food-producing animals, a practice that has been shown to fuel drug-resistant bacteria that can be dangerous to humans.

Conservationists from around the world are gathering this week to focus on saving threatened species and reintroducing them into the wild.

Sue’s move to a new 5,100-square-foot home is part of a decadeslong plan to display the dinosaur in a proper scientific context that helps demonstrate why the T. Rex “is widely considered the greatest dinosaur fossil in the world.”

A first-of-its-kind survey of the Chicago area’s remaining grasslands could be good news for several species of threatened birds that once thrived across Illinois.

For the second time this year, Chicago’s DryHop Brewers is joining forces with Lincoln Park Zoo in the name of wildlife conservation, this time for a rare and endangered New Zealand bird.