Light pollution map of North America. (Graphic by David Lorenz) The map closely resembles a population density map.

Light pollution is worst around major cities, which is why stargazers often travel to remote areas to get a clear look at the stars. Here is a map of North America with brighter colors on the map ...

America's rapid adoption of LED lighting saves money and uses less electricity. But it's also making it harder to see the stars. Light pollution comes from excessive artificial light that causes ...

Solar flares can affect us on Earth, and radiation from this flare caused a shortwave radio blackout. A map released by the ...

A map shows the average nightime light intensity for each U.S. state, based on data from 2012–2018. Higher levels of light pollution at night have been linked to an increased risk of Alzheimer's ...

One look at a light pollution map Dark Sky Map can be pretty upsetting. Whole swaths of the earth, especially in North America, Europe and Asia have basically erased the night sky.

But it makes most migratory birds highly susceptible to light pollution. In North America alone, it is estimated that up to 1 billion migrating birds die each year from collisions with buildings.

Light pollution caused by the incessant nighttime glow of electric lights appears to be intensifying, according to research using observations from tens of thousands of people at various locations ...

Some researchers estimate that North America experiences a 10% increase in light pollution — or the excessive use of artificial light — every year.

More than 80 percent of humanity is affected by light pollution, our view of the skies being stolen away. For most of us the stars are, in essence, going out. And each year it gets worse.