If you were in northwest Ohio Sunday morning, you may have felt an earthquake. According to the United States Geological Survey, a 2.9 magnitude earthquake hit just south of Hicksville, Ohio, near the ...

The world's oldest rocks are spread across the globe and paint a picture of Earth's turbulent early history. Here are some of the most notable and important formations scientists have discovered.

One of the park’s most popular spots is Lookout Point, which offers a panoramic view of the Mississippi River that’ll have you humming “Old Man River” for days. It’s the perfect spot for a picnic, ...