The origin of Upheaval Dome in Utah remains debated, with theories ranging from a meteorite impact to underground salt ...

The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the ...

YR4, an asteroid that currently has a more than 1 percent chance to hit the Earth in 2032, catching the attention of ...

Shutterstock The Grand Canyon State is a Certified Stargazing Paradise Arizona has some of the darkest, clearest skies in the ...