Grand Canyon National Park was named an International ... He ended up on the faculty of the University of Pennsylvania. It ...

Some places include the Pine Creek Gorge known as Pennsylvania’s Grand Canyon. It also features the Allegheny National Forest ...

The third day of adventure will include a trip to Pa’s Pocket “to roam in and around a replica of an original ranch house and outhouse, down to Whitmore Point Overlook of the Grand Canyon and ...

Since soon after our planet formed, Earth's 4.6 billion-year-long history was dominated by single-celled life. Something ...

With the Grand Canyon State win, Trump secured all seven swing states—Arizona, Georgia, Michigan, Nevada, North Carolina, ...

Not all college students are turning to cookies and Legos to help them cope with Tuesday’s election outcome. Some are ...

With just two days until the presidential election, fresh polling is pegging six of the seven battleground states within the ...

Four years after Donald Trump became the first Republican presidential candidate since 1996 to lose Arizona, he reclaimed the ...

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Geoscientists employed current-day stratigraphic, depositional and paleontological models, along with modern technological muscle to provide updated insights of the Cambrian period of the Grand Canyon ...