Geology

Wauwatosa dolostone is used in buildings across Wisconsin, but where did it come from? A geologist tells its story, from its origin 425 million years ago to its use as a building material today.

Raymond Wiggers is a geologist, science writer and author of the new book "Milwaukee in Stone and Clay," which chronicles dozens of different types of rocks that buildings in our city are made of and how they got here.

Understanding the enormous timescales in our planet’s long history can be difficult — practically mind-boggling. But Marcia Bjornerud hopes her new book…

The water slides in the Wisconsin Dells today are a strange, accidental metaphor for the area's geological history. An ice dam that broke towards the end…

In case you hadn’t noticed it for the past few months, there are things like grass and pavement under what until recently were persistent piles of…