The NWS warning was in effect for regions of the Grand Canyon below 4,000 feet elevation. Temperatures were forecast to potentially reach 110 degrees at Phantom Ranch and 102 at Havasupai Gardens.

A wildfire destroyed a historic lodge at the Grand Canyon's North Rim and some political leaders want to know if the fire was mismanaged. One fire expert said officials should approach policy changes carefully because controlled burns are still critical to forest health.

Grand Canyon University will officially join the Mountain West Conference by July 1, 2026, setting the stage for a budding rivalry with UNLV as the league undergoes major realignment.

The Colorado Springs-based Mountain West announced Tuesday that Grand Canyon University , the largest private Division I university in the country with a total enrollment of over 100,000, will join the conference for the 2025-26 academic year, a year earlier than planned.

The National Park Service is defending its handling of a lightning-sparked wildfire that destroyed the nearly century-old Grand Canyon Lodge and dozens of historic cabins, saying containment lines had been built around the blaze and crews were prepared to conduct defensive firing operations.

The Grand Canyon's North Bravo Fire intensified on July 11, the day before Katy Rock Shop owner Jacob Proctor and his family arrived at the national park.

Geology is full of detective stories about the Earth's history, and a new paper in Geology by University of New Mexico Distinguished Professors Emeritus Karl Karlstrom and Laurie Crossey, along with their co‐authors,

Geology is full of detective stories about Earth's history, and a new paper in Geology by University of New Mexico Distinguished Professors Emeritus

W hen an asteroid made Meteor Crater in northern Arizona, it did more than leave the Earth’s best preserved impact crater. According to new research, the earthquake that the collision caused induced a landslide, which caused water to back up to the height of a 20-storey building above the current river.

Grand Canyon University jolted the world of college sports this week, announcing that it would join the Mountain West Conference much earlier than planned.