Nevada is one of very few places left in the country where there is so little artificial light the Milky Way is visible to ...

Scientists say they've uncovered the "largest known galactic structure" — a cosmic monster that spans a mind-boggling 1.4 ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

For nearly a century, scientists have grappled with the enigma of dark matter, an unseen substance believed to shape galaxies ...

But, not all galaxies are created equal, it seems, as astronomers have discovered what they believe is a “dark galaxy,” a galaxy that doesn’t give off visible light. In most cases ...

Fortunately, there are solutions that save money and preserve the dark night sky. The most important step is to shield outdoor lighting so it is cast downward. Other measures include putting ...

“Those are places that are going to be fairly disconnected from large communities, but it’s a place where you’ll see the Milky Way very clearly,” says Dan Oakley, the chair of the Dark Sky ...

France’s Landes de Gascogne Regional Natural Park (PNR) has been officially designated as an International Dark Sky Reserve, recognizing the collective efforts of the region in preserving and ...