In a new paper, Jordan Jensen and Alexis Ault introduce a new forensic tool designed to enhance our understanding of how ...

The film explores the origins of various rocks found in the Grand Canyon, revealing that many rocks are formed from ancient sand dunes that hardened over time. It discusses how to interpret clues in ...

If the Grand Canyon's beauty has captured your heart, find even more magic at some of America's other canyon-filled national parks. Here's where to find them.

Scientists racing the clock to finish excavating top southern Utah dinosaur fossil site before construction on a power ...

After recent rain, Topanga Canyon Boulevard requires structural repairs and cleanup, Caltrans said. Crews blasted a camper-sized rock that sat precariously above the road last week.

Grand Canyon won its third consecutive WAC tournament championship Saturday and fourth in five years under coach Bryce Drew.

TERLINGUA, Texas — Paddling the Rio Grande River offers a unique adventure in the southwestern United States, but it is a ...

Grand Teton National Park will blow your mind. It is the kind of stunning that makes you do a double take like you just ...

Here's what we know about 45-year-old Marcus Freiberger, who was last seen at a parking garage in Phoenix on Feb. 21. 2025.

“It’s the oldest trackway ever discovered in the Grand Canyon in an interval of rocks that nobody thought would have trackways in it, and they’re among the earliest reptile tracks on earth,” said ...

The Trump administration is calling for prioritizing mineral production on federal lands. Tribes and environmental groups ...