The Adirondack Sky Center and Observatory marked Dark Sky Week last month by noting that the organization is working to have ...

If dark energy is weakening, as suggested by recent results, then the cosmos is far stranger than most physicists had ...

Vesta has a number of characteristics working in its favor when it comes to its visibility in the night sky. For one, it ...

Did you know some of the brightest sources of light in the sky come from the regions around black holes in the centers of ...

It’s a busy month for Mars and the moon—not to mention the Eta Aquariid meteor shower. Here’s what to watch for, and when.

The discovery of Eos, the closest known molecular cloud to Earth and one of the largest structures in the night sky, hints at ...

They come out slowly through a margarita meltwater sky. More of Orion is visible than last night. The hunter constellation flaunts his scabbard or whatever is said to hang below that sideways belt of ...

The Jackson Hole Airport in Grand Teton National Park joins more than 80 other internationally recognized dark sky places in ...

Spanning approximately 220,000 light-years across, the Andromeda Galaxy is the largest galaxy of the Local Group, which also ...

Based in Somerset, southwest England, astrophotographer and night-sky conservationist Josh Dury has dedicated his career to ...

Comparison showing the effects of light pollution on viewing the sky at night (Jeremy Stanley/Flickr/Wiki Commons)International Dark Sky Places is an international program of independent third ...