The light pollution in these areas makes the entire sky appear light grey in colour, and the Milky Way is effectively invisible. A 2016 study estimated that even on the clearest night, one third ...

The more light pollution there is, the fewer stars a person can see when looking at the same part of the night sky. The image on the left depicts the constellation Orion in a dark sky, while the ...

The light keeps getting refracted through the ice crystals. And the higher the ice crystals are in the sky, the higher the light pillars can reach upward. Light pillars can come from above, too.

A mysterious light streaked across the sky in Wilmington, North Carolina on Sept. 24, photos show. Screengrab from Anessa Shaffer's Facebook post. North Carolinians took to social media after a ...