One of Utah’s natural wonders will never be the ... The sandstone that helped form the Double Arch originated between the ...

Utah, located about 300 miles east of Las Vegas. The Double Arch has been subject to spalling and erosion from weather, wind ...

It's a trifecta: a Triassic pterosaur from a new place ... The fossils come from a quarry in the Utah desert that was once a bustling oasis, about 210 million years ago. "This one site we've ...