More than a foot of snow fell in parts of Pennsylvania, New York and New England on Friday but it was freezing rain and ice, accompanied by plummeting temperatures, that threatened to cause the biggest problems for travel and electric service before the storm blows out to sea late Friday and Saturday.

Admission to the Chicago Botanic Garden is no longer free. Ticket prices will range between $9.95 and $25.95 per adult, depending on anticipated demand.

The snowy owl is being treated at Willowbrook Wildlife Center, where a bald eagle is recuperating from the same issue. Anticoagulants in rodenticides can be deadly to the birds of prey that eat poisoned rats, mice and other rodents.

Lake scientists have long considered winter a season when aquatic activity slows. But researchers now think more is going on in the bitter depths than previously believed — including activity influenced by climate change. 

Chicago is digging out from a wild Wednesday that saw continuous snowfall throughout the day, dumping anywhere from 5.6 inches at O'Hare to 11 inches at Midway. That looks to be the end of active weather, for now. 

People in the Chicago region woke up Wednesday morning to heavy snowfall hitting just in time to snarl the morning commute. And there's more to come.

The U.S. Army Corps of Engineers is about to embark on its first comprehensive study of the city’s lakefront in more than 25 years. 

A winter storm warning is in effect for the Chicago region, with the first round of snow expected late Tuesday into most of Wednesday, followed by a second round Thursday.   

The Jackson Park Advisory Council has canceled its February meeting due to concerns related to COVID-19, delaying an anticipated vote on controversial changes to the group's bylaws.

The Jackson Park Advisory Council is proposing a change to its bylaws that would raise the bar in terms who’s considered a voting member. Critics say the move is designed to limit input from “newcomers,” and they want the Chicago Park District to intervene.

The National Weather Service is encouraging people to avoid non-essential travel, with intense snowfall rates of 1 to 2 inches per hour.

Lake Michigan is doing the most to keep us entertained during the bleak mid-winter. First came pancake ice and now it’s serving up ice balls the size of boulders.

Recent flyovers by the International Space Station have captured some stunning images of Chicago, as seen from 250 miles above.

The gypsy moth has been going by its mouthful of a scientific name — Lymantria dispar — since July, when scientists scrapped the insect’s derogatory common name and began weighing alternatives.

The U.S. Army Corps of Engineers has allocated $225.8 million to the Brandon Road Lock and Dam invasive carp barrier. The funds will complete the planning and engineering phase of the project.

You’ve heard of blizzards and maybe even the polar vortex, but have you heard of ice pancakes? What about ice bites or ice jams? These unique names sound fascinating but require specific weather conditions.