People say a dog is a man’s best friend, but the black and white cat Manny is Lisa Frazee’s best friend. That bond was tested ...

A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the Grand Canyon, one of the natural world’s most iconic sites. The rich fossil ...

WASHINGTON — Federal officials said Thursday they are trying to determine whether a wolf-like animal that has been repeatedly spotted in an area north of the Grand Canyon is an endangered gray wolf, ...

The Canyon's Age Sparks Fierce Scientific Debate Scientists have spent over a century arguing about when the Colorado River ...

Hike through secret slot canyons, spot endangered California condors, visit sacred Navajo sites, and kayak a stunning 10-mile ...

The nearly century-old Grand Canyon Lodge in far northern Arizona was a refuge for ambitious hikers and adventurous tourists eager to bask in the magnificent views of one of the most remote and ...

PHOENIX — With wildfires raging across northern Arizona and destroying more than 100 structures in Grand Canyon National Park, businesses relying on tourist revenue have taken a hit. Canyon Trail ...

Grand Canyon National Park continues to draw visitors during the government shutdown. But former workers are petitioning to close it. Here's why.

A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the Grand Canyon, one of the natural world’s most iconic sites.