Apr 27, 2026 by Kenneth C. Gass

If you’ve ever wondered how geologists know so much about ancient beaches and shallow oceans — from the paleoenvironment to the animals roaming...

New trace fossil discoveries from the half-billion-year-old Cambrian tidal flats of Wisconsin at a site called Blackberry Hill continue to paint the picture...

A newly-described genus and species of trilobite is a unique example of an animal changing the form and apparent function of one of its morphological features...

Sep 29, 2023 by Simon Braddy

The Waukesha Biota, a 437-million-year-old fossil assemblage from Wisconsin, USA, provides a rare glimpse into life in an ancient lagoon. In his book Wonderful...

Jul 10, 2023 by Kenneth C. Gass

Now known for its sports teams, Harleys, and beer, early Milwaukee County, Wisconsin was one of the nation’s leading producers of natural cement, and...

Feb 15, 2023 by Enrico de Lazaro

Miracinonyx trumani is an extinct species of cheetah-like cat that roamed the North American prairies and steppe terrains more than 13,000 years ago. Miracinonyx...

Jan 20, 2020 by Enrico de Lazaro

The exceptionally preserved fossils of the oldest species of scorpion ever found have been unearthed in Wisconsin, the United States. Reconstruction of...