In the 1950s, Stanley Miller and Nobel laureate Harold Urey conducted experiments at the University of Chicago in which they ...

The ice cores could offer clues about a period known as the Mid-Pleistocene Transition that has long puzzled scientists ...

Scientists break down the reasons why days are getting shorter—and the mystery they're still trying to solve about Earth's ...

More than 300 million years ago, during the Carboniferous Period, much of northern Illinois outside Chicago—including what is ...

In an incredible twist of fate, a retired chicken farmer unearthed a 240-million-year-old amphibian fossil in a pile of rocks ...

A massive landslide would have dammed the Colorado River, forming a deep lake that has since dried up. A meteorite impact ...

Researchers have found a link between two geological events in iconic locations of the U.S. Southwest that scientists ...

Earth has experienced both hot and cold periods over time, though warm times have been more common. That’s true of the last 485 million years, as seen in this timeline reported in 2024. Our genus, ...