Arizona The Grand Canyon is a testament to the earth's artistic powers, with its sprawling vistas and breathtaking colors.

Go spelunking through cave systems, see bison grazing, and admire nature's beauty at this incredible South Dakota national park. Here's where to find it.

A new study highlights how life possibly evolved prior to and during the rise of Earth’s oxygenated atmosphere.

Comparing pollen records from three lakes in different geological substrates highlights the influence of geology and climate on long-term vegetation development.