The Illinois Big Tree Register is being tidied up and brings a reminder of how many champion trees are around us, including two national champion trees in DuPage County.

Startup incubator 1871 is leaving its longtime home at the Merchandise Mart, the latest example of how the COVID-19 pandemic has organizations rethinking their need for office space. “As you all ...

Indiana has looked at adding 33 counties from Illinois that signaled they want to leave the state - which could lead to whole new maps of the U.S.

The NOAA's winter outlook does not necessarily align with other forecasts, including the Old Farmer's Almanac and the Farmers' Almanac.

The map, dated May 5, 1871, defines the property lines of Cornplanter’s descendants. Seneca Iroquois National Museum Curator Randee Spruce, Warren County Historical Society Managing Director Michelle ...

Regulators estimate the state will need to at least triple its renewable energy production to ensure a carbon-free grid. Illinois regulators have approved the state’s first road map to achieving ...

Illinois is one of two states that will host both broods of the periodical cicadas this year: Brood XIX and Brood XIII.

The historic 2024 cicada emergence will see two broods of cicadas emerging this spring, and while some sightings have already been reported, how can you know which brood you are seeing?

Cicadas are officially emerging from the ground in several parts of the Chicago area as the start of a historic emergence begins. But where can you expect them most?

The Great Cicada Invasion of 2024 in Illinois is almost here, and bug experts have created maps of the attack.

Parts of South Chicago may be submerged by the expanding shoreline of Lake Michigan in the future, experts warn, with whole neighborhoods lost to the lake.