SALT LAKE CITY” Utah state geologists and a group of intrepid volunteers say they’ve finally answered a nagging geological question: What’s the longest natural arch in the world? The answer, they say, ...

ARCHES NATIONAL PARK, Utah ” One of the largest and most visible arches in Arches National Park has collapsed. Paul Henderson, the park’s chief of interpretation, said Wall Arch collapsed sometime ...

Add Yahoo as a preferred source to see more of our stories on Google. The collapse of Double Arch, one of Utah's majestic geologic arches, stunned park visitors and deprived the state of a popular ...

Here's what you need to know before visiting Utah's otherworldly Arches National Park.

Throughout human history, natural arches have fascinated people worldwide for their unique structures that defy all laws of gravity. For instance, the many rock formations at Arches National Park in ...

The collapse of an iconic rock arch in Utah has raised fears that other notable landmarks will be erased. On Aug. 8, the "Double Arch," also known as the "Toilet Bowl," at Lake Powell in Glen Canyon ...

MOAB — National Park Service officials say they're investigating a case of land vandalism at Arches National Park, after photos of graffiti on some of the park's iconic sandstone formations emerged ...

SALT LAKE CITY ” Utah state geologists and a group of intrepid volunteers say they’ve finally answered a nagging geological question: What’s the longest natural arch in the world? The answer, they say ...

The collapse of Double Arch, one of Utah's majestic geologic arches, stunned park visitors and deprived the state of a popular natural landmark forever. But geologists say its demise was inevitable.