The Met’s ‘Sputniks’ Fall to Earth for a Summer Cleaning

The glittering chandeliers at the opera house get washed every year. It’s an elaborate production.

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Why This Pennsylvania City Put Its Streetlights on a Dimmer

After passing a Dark Sky ordinance to curb light pollution and save energy, Pittsburgh is installing adjustable streetlights.

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How Lena Imamura, a Neon Light Artist, Spends Her Day in the Studio

Lena Imamura, the co-owner of GLO Studio, taps into her alter ego to get through a day of flames, shopping for materials and karaoke.

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Northern Lights May Be Visible as Far South as Alabama

Streaks of colorful light could paint the sky over a large portion of the country on Sunday night into Monday morning amid a severe geomagnetic storm.

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Lou Nasti, Who Brought Christmas Displays to Extravagant Life, Dies at 79

A robotics specialist, he animated puppets and dolls for displays worldwide. His “Toyland,” with a two-story-high Santa, drew sightseers to a Brooklyn home for years.

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Embracing Darkness on the Isle of Rum

Europe’s newest dark-sky sanctuary is a wild Scottish island with 40 residents and celestial lighting.

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Amid Russian Attacks, Ukraine Seeks New Ways to Power Its Cities

The Ukrainian energy network has been so battered by Russian attacks that officials are seeking out new options to prevent a crisis, like renting floating power plants and scavenging scrapped ones from the region.

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Where It Isn’t Christmas Until the City Shoots Lasers at 20,000 Crows

In Rochester, N.Y., every year in early December thousands of crows descend on the city, which tries to shoo them away with loud noises and bright lights.

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