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

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 ...

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

Hells Canyon might be deeper than the Grand Canyon, but it's barely 2 million years old, according to a new study.

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.

Environmentalists argue a flood is needed to restore the Grand Canyon's beaches and preserve its wildlife.

Dr. Dennis Smith, a 74-year-old orthopedic surgeon from Washington, died during a rim-to-rim hike in the Grand Canyon. His death is under investigation.

Hikers and experts are concerned that the Grand Canyon could experience a deadly summer with the closure of the main rim-to-rim trail.

Grand Canyon National Park is a great destination for sustainable travel, where Xanterra runs four Green Certified Restaurants that repurpose leftover vegetable oil to fuel a train and food scraps ...

Maryland men’s basketball opens its NCAA Tournament against Grand Canyon. Here’s what Terps fans need to know about the Antelopes.