The fossils at the Mazon Creek site are so abundant and so well-preserved that researchers can reconstruct a detailed ...

In May, scientists excavated the fossils at Mazon Creek, which is about an hour's drive southwest of the city.

Chicago's Mazon Creek fossil site is being excavated and studied by Field Museum researchers, revealing ancient creatures, ...

One of the "world's best fossil sites" is located just an hour outside of the Windy City, according to Chicago Field Museum ...