The menacing asteroid that wiped out non-avian dinosaurs left a colossal marine crater in what's now the Yucatan Peninsula.

Searching for the perfect socially distanced trip—or just some daydreaming fodder? Embrace the majesty of the United States ...

Wyatt Clifford Fain and Payden David Guy Cosper were found guilty of smashing the 140 million-year-old sandstone and could ...

If your destination is Flagstaff, the Grand Canyon, or even Las Vegas, add a pit stop to see another National Park Service ...