A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from ...

The antennas atop Loma Prieta’s peak, top, rise into the sky as cows ... at the time saw dark, blue-green chaparral covering the high brushy hill. In the mid 1800s, the mountain was renamed ...

Utah Gov. Spencer Cox has declared April as Dark Sky Month, celebrating the state’s leadership in Dark Sky preservation for ...