Police are searching for a man who has now been missing for almost two weeks after visiting a national park in Colorado, ...

According to scientists, landslides are collapsing homes along the coast and pushing parts of some neighborhoods into the ...

A new study offers insights into a puzzling piece of the geological history of the Grand Canyon and surrounding regions.

Heart-stopping video footage by Utah authorities captures the life-saving rescue of a father and his 12-year-old son, stranded overnight on a treacherous cliffside in Snow Canyon State Park.