Add Yahoo as a preferred source to see more of our stories on Google. CHICAGO — Sixty-five miles southwest of Chicago, a small hill that looks like a prop from an Indiana Jones movie breaks up the ...

More than 300 million years ago, Illinois was a very different place. Instead of cornfields and prairies, the land lay in the tropics, teeming with swamps, rivers and shallow seas. Today, that ancient ...

The Mazon Creek fossil beds are renowned for their exceptional preservation of both plants and animals, made possible by their unique geological setting. The fossils are encased in siderite—an iron ...

When you think about the extinct creatures that once dominated Earth, you probably imagine towering dinosaurs or trumpeting wooly mammoths. However, during a time in history that would have been ...

Under McFetridge Drive in Chicago, two stories down in the catacombs of the Field Museum of Natural History, Jack Wittry slides open a handmade wooden drawer. There are thousands of such drawers that ...

Over 300 million years ago, Illinois teemed with life in tropical swamps and seas, now preserved at the famous Mazon Creek fossil site. Researchers from the University of Missouri and geologist Gordon ...

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 coal ...