Most data is anecdotal, but researchers say climate change, development, light pollution and pesticides are threatening firefly populations.

Reports of fewer fireflies in recent years have sparked worry for the future of the insect’s population. More sightings this ...

Leading Illinois’ representation on the list is Arlington Heights, ranked at No. 56, Buffalo Grove at No. 63, and Naperville ...

View the latest weather forecasts, maps, news and alerts on Yahoo Weather. Find local weather forecasts for Chicago, United States throughout the world ...

View the latest weather forecasts, maps, news and alerts on Yahoo Weather. Find local weather forecasts for Elk Grove Village, United States throughout the world ...