Did you know some firefighters start fires on purpose? Discover how prescribed burns help prevent wildfires and keep forests and prairies healthy.

There are many animals to observe outside in the Will County forest preserves, but its visitor centers are also home to a variety of species, some native and some not.

For some people, one of the less desirable things about fall is that insects start making their way indoors as temperatures begin to drop.

Did you know Illinois has a state rock? Discover how dolomite formed in ancient seas, why it matters and where you might find it today.

Muskrats are skilled swimmers that make their homes near water. Learn about their favorite foods, their babies and how they survive winter.

Meet the elf owl, the world’s smallest raptor. Learn how these tiny desert birds compare to Illinois owls and discover what they eat, where they live and more.

Trees have amazing stories to tell. Learn how burls, scars, animal homes, tree rings and other clues can reveal what a tree has experienced.

Squirrels spend fall hiding thousands of nuts to prepare for winter. Learn how they store their food, find it again and help new trees grow.