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

The eight ripples seen by the Hubble Space Telescope in this cosmic scene marks the most ever seen in any galaxy, and data ...

With a nickname like Big Sky country, it's no surprise Montana is the ultimate destination for this year's celestial events, ...

An LSU-led team would like to use a high-flying Antarctic balloon-borne infrared telescope to detect the chemical makeup of ...

These two next weeks offer all but one of the planets in lovely view at nightfall. Fred Schaaf goes step by step through the ...

A mysterious throbbing light seen racing behind clouds in the northeastern U.S. and Canada has been identified as a meteor, according to the American Meteor Society. One witness i ...

UK astrophotographer Josh Dury on night-sky success, his passion for documenting natural skies, a brand-new book and an ...

The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the ...

What Causes the Northern Lights? The Northern Lights, also known as the Aurora Borealis, are among the most captivating ...

In February, six planets will align in the night sky — Saturn, Mercury, Neptune, Venus, Uranus, Jupiter and Mars — and be mostly visible to the naked eye. We find out how to see and more about this ...