Lawyers for President Donald Trump's administration say he has the authority to abolish national monuments meant to protect ...

The Cambrian-age Tonto Group is a set of rocks famous for holding clues to the burst of new life that reshaped Earth 500 ...

Beneath the Grand Canyon’s iconic layers, scientists have uncovered a fast-paced, 500-million-year-old tale of evolution that ...

Carmel, Orderville, Glendale, Alton, Hatch, Panguitch, Bryce Canyon City, Henrieville, Cannonville, Tropic, Escalante, and Boulder (Utah). Don’t expect to find a Walmart, Target, or even a true ...

During the Great Depression, loggers worked nonstop cutting timber for railroads, mines, and ranches. One of the ...

The Archaeological Ensemble of Mérida, located in Extremadura, Spain, has its origins in the year 25 BC, when Augustus completed the conquest of the North of Hispania and founded the Colony of Augusta ...

Hells Canyon, which is on the border between Oregon and Idaho, is almost 8,000 feet deep. That makes it far deeper than the famous Grand Canyon of Arizona, which reaches a depth of about 6,000 ...

Hells Canyon, the deepest river gorge in the United States, was carved just about 2.1 million years ago — making it much younger than the Grand Canyon. (Matthew Morriss) Hells Canyon ...

The discovery comes in the lead-up to the highly anticipated full opening of the Grand Egyptian Museum ... discovery as a significant scientific and archaeological achievement, noting that ...

A Washington man considered to be an experienced hiker has died near the end of a 24-mile, rim-to-rim hike at Grand Canyon National Park in Arizona, officials confirmed. Dennis Smith, 74 ...

A 92-year-old man is now the oldest person on record to have conquered the Grand Canyon's 24-mile, rim-to-rim hike. Guinness World Records confirmed the feat on Tuesday, about two months after ...

They range in size from a few dozen acres to nearly 2 million acres. The Grand Canyon Trust focuses our national monuments work in three monuments where we helped gain protections: Grand ...