The disease known as sudden oak death has killed large numbers of oak trees and native plant species in California, Oregon and Europe. The pathogen behind it has now been identified in Illinois.

If you want to see wildflowers in and around Chicago, photographer Mike MacDonald will tell you where to go – and when – for the most glorious blooms.

From hiking to kayaking and fishing to stargazing, here are 10 activities to try this summer in the good ol’ Land of Lincoln. 

Pollinating animals account for an estimated one out of every three bites of food humans eat. “Bees & Beyond” explains how the process works, traces its evolutionary history and demonstrates its impact on our daily lives.

The University of Chicago paleontologist takes us behind some of the most recent science stories making headlines.

Near-record rainfall has left many farms and gardens underwater, but some area gardens – including our WTTW organic garden – appear to be thriving. Organic gardener Jeanne Nolan explains why.

Responding to increasing public concern over environmental health threats, researchers have published a guide designed to help residents of Great Lakes communities determine if air, water or soil contamination is affecting their health. 

Salmon produced by AquaBounty are the first genetically modified animals approved for human consumption in the U.S. The company hasn’t sold any fish in the U.S. yet, but it says its salmon may first turn up in places like restaurants or university cafeterias.

Chicago and other U.S. cities could provide nearly one-third of the milkweed plant scientists estimate is needed to save monarch butterflies, whose populations have plummeted in recent decades. 

Lake Michigan water levels are expected to top the record for June, and there’s a chance they could surpass the all-time record set in 1986. We head to the lakefront, and speak with experts.

“Our new rhino calf is thriving. He is exceeding all of our expectations,” said Mike Murray of Lincoln Park Zoo. “He’s a pretty incredible little guy that, just behaviorally, is doing everything a rhino calf should.”

Organizers of Mamby on the Beach want to move the music festival to Montrose Beach, but conservationists are pushing back because of two endangered birds living at the site. 

Chicago-based Fairlife has been under fire since an animal welfare group released videos showing workers at the company's top dairy supplier abusing cows. 

Behind barbed wire fences, Cook County Jail inmates grow vegetables, flowers, herbs, and – as of May – they’re harvesting honey from two beehives provided by a former inmate.

A new pilot program will give Chicagoans another option for getting around the city. But will electric scooters help reduce transportation-related pollution? 

Three weeks after Facebook refused to remove a doctored video of House Speaker Nancy Pelosi slurring her words, Mark Zuckerberg is getting a taste of his own medicine.