For thousands of years, humans gazed upward in wonder at the vast cosmic canvas above. That view is disappearing.

From the aurora-lit skies of Canada’s newest dark sky park to the tiny railway town near one of Canada’s tallest waterfalls, ...

International Dark Sky Week is on the horizon, coming up April 21-28. The week leads up to the new moon on April 27, in a ...

"Just as blue sunlight scatters in the Earth's atmosphere and makes the sun look slightly less blue, light from a strong blue ...