Light pollution is increasing globally, and having a negative impact on wildlife and humans. But the solutions are surprisingly simple.

This early universe galaxy, though one hundred times smaller than the Milky Way, shows surprising maturity ... Like a bustling city with a dense urban center and sprawling suburbs, this galaxy ...

And just like that, for the first time in decades, the Milky Way could be seen ... astronomer who was living in New York City on the night of the blackout, “which I had never seen before and ...