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A sky dark enough to reveal thousands of stars barely exists across most of Europe anymore, and scientists are treating the disappearance of real darkness as a measurable variable in mental health, not just an astronomy problem - Space Daily

Wednesday, August 19, 2026

A sky dark enough to reveal thousands of stars barely exists across most of Europe anymore, and scientists are treating the disappearance of real darkness as a measurable variable in mental health, not just an astronomy problem - Space Daily

Light pollution has become a public health crisis that neuroscientists are only beginning to understand, leaving millions of people living under skies that their bodies were never designed to navigate.

In Bronchales, a mountain village in Teruel, Spain, where my friend’s family keeps a house, the sky did something I did not think skies still did anywhere I might actually visit. I stepped outside af…

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