While you can certainly explore some colonial American history in Kentucky's oldest city, located in its stunning bluegrass region, this park tells a story that stretches back to the Ice Age.

“When we look at Ice Age 10, we can very clearly predict when Ice Age 9, 8, 7 and 6, and so on, all happened,” Nuber said. Researchers came up with this method by looking at “astronomical ...

A new study suggests that Earth’s next ice age should begin within the next 11,000 years - except our impact on the planet may delay it, potentially by thousands of years. Scientists have long ...