On his first trip to the Grand Canyon Star Party, Dave Eicher joins thousands for a week of lectures, observing, and cosmic wonder.

Grand Canyon Caverns and restaurant have opened after being closed for nearly 3 years. Here's why it closed and how to go into the Grand Canyon caves.

Located in Arizona, the Grand Canyon National Park is one of the most famous landmarks in the United States.

An extreme heat warning has been issued for parts of Arizona, including the Grand Canyon, on Monday.

To behold the Grand Canyon from above, visitors usually book a helicopter tour or ride a zip line. But at the west rim of the canyon, there’s a third (and equally adrenaline-inducing) option ...

Dangerously hot conditions are expected below 4,000 feet in elevation, prompting a warning for hikers.

An unusually high number of hikers had to be rescued by helicopter on the Grand Canyon, and a construction site is to blame.

Thousands of hikers take on the Grand Canyon’s Rim-to-Rim trek every summer. This year, however, a major trail closure has some experts raising serious safety concerns.