Experience the Grand Canyon from the sky with a helicopter tour departing from Las Vegas. This guide breaks down the views, experience, and whether the cost matches the unforgettable adventure.

A layer of rock just 520 million years old sat directly on top of ancient rock dating back 1.4 to 1.8 billion years.

The Great Unconformity is a major gap in Earth's geologic record. The missing layer between Precambrian and Cambrian rocks ...

On Feb. 26, 1994, 11 members of the Branch Davidian religious cult were acquitted of murder and conspiracy charges stemming ...

High in Colorado’s Never Summer Mountains, a narrow mountain stream begins a 1,400-mile journey to Mexico. This is the start of the Colorado River — the waterway that carved the Grand Canyon and now ...

With only 620,000 inhabitants, Montenegro is positioning itself as a luxury destination compared to Spain and Croatia. The ...

A federal judge has ordered an exhibit about slavery to be restored in Philadelphia after Trump’s administration took it down last month.

A Laramie County rancher shot a roughly 2-year-old male wolf near Carpenter, Wyoming, where wolves are almost never seen. It may be the first ...

Few trail systems in the state earn the phrase “all-day wander” quite as honestly as this one. The Colorado Riverfront Trail ...

c. 1748 - This is the probable birth date of Prince Hall, an abolitionist and the founder of the first African American Masonic lodges. 1888 Ida Cox (nee Prather), American blues singer and vaudeville ...

That’s basically the origin story of Tovrea Castle at Carraro Heights in Phoenix, except this particular confection is made ...

A diabolical gamemaker scatters 85 flags across the Pisa Range. He assigns each flag a certain number of points. Some are ...