Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

Some stars and constellations are ever-present in the night sky; Polaris, for example, has served as a steady guiding light for millennia in the Northern Hemisphere. But if you look closely at the sky ...

In the clear skies of the Chilean desert, astronomers used to have a perfect view of the universe. They could trace the faint glow of galaxies billions of light-years away or hunt for brief flashes of ...

"The natural question that comes up is: how many more space telescopes will be affected when all these constellations are launched?" When you purchase through links on our site, we may earn an ...

If you go to a very dark site on a moonless night—and I cannot recommend it highly enough that you do so—you’ll be faced with an awesome sight: a night sky seemingly brimming with millions of stars, ...

Mega-constellations built by SpaceX, Amazon and other companies could carry thousands of sensors that could aid research into gamma rays, space weather and other subjects. By Lyndie Chiou Each night, ...