April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

Oregon has gained a reputation as something of a dark sky paradise. While Oregonians have long known about the particularly dark skies in some of the more rural parts of the state — which allow ...

The difference between how light behaves on Earth and how it travels in the emptiness of space, explains the beautiful blue skies and the vast darkness of space. Why is the sky blue in colour?