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 ...

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 ...