Geology

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…