A park employee at the Grand Canyon was exposed to hantavirus, and a separate case of exposure to rabies in the park has also been confirmed.

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 National Park has launched a satellite-based emergency alert system, which allows visitors to receive real-time alerts about flash flooding and other hazardous events in cell service ...

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

This brave cleaning crew hangs from the Grand Canyon west rim's Skywalk twice a year.

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.

Beloved Washington doctor, Dr. Dennis Smith, died during a Grand Canyon hike. Known for his fitness and orthopedic work, his death may have been a freak accident, a colleague said.

This one-day itinerary includes the best of Grand Canyon's South Rim, including El Tovar, Mather Point, Bright Angel Trail and Desert View Watchtower.

The National Parks Foundation said the Grand Canyon rim-to-rim hike covers 24 miles and is “strenuous.” “Being unprepared can have catastrophic results,” the foundation said on its website.