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

In what’s being billed as a once-in-a-lifetime astronomical event, a star in the Corona Borealis ... Oregon is home to the largest Dark Sky Sanctuary in the world, as well as two Dark Sky ...

while robbing amateur astronomers—and their children—of faint stars and galaxies lost in the glare. Fortunately, there are solutions that save money and preserve the dark night sky.

With Venus shining at its peak close to the crescent moon, a dramatic full moon, iconic constellations, and star clusters, ...

More than a million exploding stars flare into visibility and then slowly fade away. The true brightness of each transient event has been magnified by a factor of 10,000 for visibility, and no ...