A Cambrian fossil once thought to be a mollusk ancestor is now identified as a chancelloriid relative, reshaping ideas about ...

This fossil site near a surprising city gives researchers and amateurs alike a window into a prehistoric world that's 309 million years old.

Astronomers have revealed new research showing that millions of new solar system objects are likely to be detected by a brand-new facility, which is expected to come online later this year.

A partial skull of a 10-foot-tall ground sloth, Megalonyx jeffersonii, was discovered in Ellis County, Kansas, providing new ...

A prehistoric discovery near Hays is shedding some new light on a giant ground sloth species that lived more than 10,000 ...

Just 65 miles southwest of Chicago, a forgotten hill of coal waste is quietly revealing some of the best-preserved fossils ...

collected a few mammal fossils and a red jasper knife at the base of the pit. Other than the knife and a wooden artifact found in a pack rat’s nest, thought to be the shaft of an atlatl dart ...

They had “very large claws on their forelimbs” and were “covered in thick hair,” the Illinois State Museum said.

Good morning, Chicago. Mayor Brandon Johnson will push forward this spring an ordinance designed to reform land-use policies that environmentalists say for decades led to pollution in Black and Latino ...

Researchers found strikingly similar winding networks in rocks much younger than the Little Dal reef in several locations. They suggested the branching mesh formations could be the fossil remains ...

Chicago, a small hill that looks like a prop from an Indiana Jones contains many of the world’s best-preserved, most diverse ...

This year’s Postcard Project begins with Memorial Day and runs through Labor Day, Sept. 1. I anticipate an uptick in the ...