The race to connect the world through satellite internet has created an unexpected casualty: our view of the cosmos. A new ...

When millions of people turn off their lights for Earth Hour each year, something remarkable happens in the night sky above ...

It's not only caused by needing corrective lenses. Leading eye doctors share which conditions—big and small—can cause blurry ...

A meme authentically shows a satellite image of South America where Venezuela stands out as the only country without any ...

It might be time to invest in some blackout curtains, turn off the TV before bed, and dim those lamps. New research suggests that exposure to light at night could elevate your risk of multiple heart ...

As extreme heat becomes more common, urban dwellers must relinquish their bias against daytime darkness and embrace the ...

It's the time of year when the setting sun lines up perfectly with New York City's street grid, creating a stupendous solar ...