Fossils unearthed from Illinois’ famed Mazon Creek site have been sitting in collections misidentified for close to 50 years.

In Chicago, you’ll lose an hour of sleep for one night but gain more daylight in the evening in the months ahead.

Bell Bowl Prairie was bulldozed Thursday morning after an 18-month fight to save the ancient prairie remnant from destruction by Rockford Airport, which is carving out a roadway for an expansion of its cargo operations.

Barring any last-minute court decisions, the Greater Rockford Airport Authority will soon resume construction on its cargo expansion project, bulldozing a portion of ancient Bell Bowl Prairie in order to carve out a new roadway.

Crime has dominated much of the local and national media coverage around Chicago’s mayoral election. But environmental justice activists contend that environmental issues also have a significant impact on quality of life for residents.

The CTA started experimenting with electric buses in 2014 and plans to move to an all-electric fleet by 2040. But as the temperature drops, lithium-ion batteries that run the buses aren't as efficient and lose range.

Over the course of 23 years, the Cook County Coyote Project has tracked the movements of nearly 1,500 coyotes. 

Chicago will dodge the worst of a storm system whose track has stymied meteorologists as it's approached the region.

At some point Friday, it will probably rain or snow, but how much of which form of precipitation will fall, and where, forecasters still can’t say with confidence.

The 191-foot cargo vessel collided with a grain hauler on a blustery night in September 1894, sinking both. The Ironton’s captain and six sailors clambered into a lifeboat but it was dragged to the bottom before they could detach it from the ship. Only two crewmen survived.

The big story was the amount of rain that fell in the Chicago region: There have only been seven wetter Februarys since 1871.

In what’s being dubbed a celestial “kiss,” Jupiter and Venus will appear to nearly touch Wednesday.

At least two brief tornadoes touched down in the Chicago suburbs Monday — one in Joliet and another on the far north side of Naperville. 

It’s National Invasive Species Awareness Week. Think you would know an invasive species if you saw one?

The cubs, born Jan. 9, received their first health checkups this week, allowing the zoo's veterinary staff to confirm all the youngsters are male.

Forest Preserve District staff and volunteers have been keeping a close eye on the nests of two mated pairs of eagles and recently confirmed that at least one of the couples is sitting on eggs.