Located 65 miles away in Grundy County, Illinois, are the Mazon Creek Fossil Beds. ... the fossils found at Mazon Creek date to around 309 million years ago during a time called the Carboniferous.

Rich Holm, with the Earth Science Club of Northern Illinois, shows a concretion, a geological formation that he hopes contains a fossil, found at the Mazon Creek fossil beds, May 8, 2025, in ...

The fossils are found inside ironstone concretions. ... Half of the concretion will be returned to David and Sandra Douglass, where it will be displayed in their fossil gallery in Evanston, Illinois.

On the Illinois prairies William C. Darrah, instructor in Biology, discovered "the most perfect plant fossil over found," and in the trackless forests of the Pico del Yaque Mountains in the ...

Perhaps Illinois’ most famous find is the Tully Monster, now the state fossil. In 1958, pipefitter Francis Tully unearthed the half-fish, half-reptile with two eyes mid-body and toothy jaws on ...

The Mazon Creek fossil beds in Illinois, dating to the Carboniferous period (~309 million years ago), preserve an exceptionally diverse array of fossils, including plants, invertebrates, and rare ...

A survey found that Americans think the coolest work you can do in Illinois is be a fossil expert at the Field Museum. A recent survey asked 3,000 Americans what they think the coolest job is in ...

Traskasaura sandrae is a "very odd" mix of primitive and derived traits. A prehistoric sea monster never-before-known to man was hunting prey in North America 85 million years ago, fossils found ...

The Pokémon Fossil Museum will debut in North America at Chicago's Field Museum on May 22, 2026. Developed in Japan, the exhibit aims to introduce visitors, especially aspiring paleontologists ...

Sixty-five miles southwest of Chicago, a small hill that looks like a prop from an Indiana Jones movie breaks up the flat, monotone landscape. Consisting of shale, sandstone and rocks from an old ...

The Pokémon Fossil Museum, set for its U.S. debut in Chicago in May 2026, will merge classic Pokémon characters with real-life fossils. Local Sports Things To Do Politics Travel Advertise ...