With more sightings of the northern lights across the U.S. than usual in recent years, now is an excellent time to make the trek to a Dark Sky Place. Even if you don't see the rainbow of colors ...

In fact, according to Harry Potter fans, the shape looks like Voldemort’s Dark Mark. And they’re not totally wrong. The shape does look strangely similar to the Dark Mark tattoo of He-Who-Mu ...

On Rum, Europe’s newest dark-sky sanctuary, the island’s 40 residents have learned to embrace darkness. On Rum, Europe’s newest dark-sky sanctuary, the island’s 40 residents have learned ...