which means a noticeable lack of light pollution. Death Valley's night skies are so clear of light pollution that the International Dark-Sky Alliance awarded Death Valley National Park its coveted ...

While the bright city lights illuminate the night skies over Las Vegas ... you can even see the glow from within the borders of Death Valley National Park. But the impact of artificial light ...

Original story, 1 p.m., Sunday: Officials issued a Spare the Air Alert through Sunday as large parts of the Bay Area experienced a second day of hazy skies. The haze, which started Saturday, was ...

That precious darkness has been under threat in recent years due to light pollution from oil and gas development to the north. Stephen Hummel, the Dark Skies ... for the death of Vicente ...