Toronto's bright city lights are on before the sky even gets dark. This area of the city, looking west of Shaw Street, is Class 9 on the Bortle scale. | SkyNews
Using the Bortle dark-sky scale

The Bortle scale has been classifying the darkness of your night sky for 20 years.

Killarney Provincial Park in Ontario is a RASC Dark-Sky Preserve, and a great place to see the night sky. | SkyNews
Find dark-sky sites and preserves in Canada

Use this SkyNews directory to find a dark-sky site near you.

Fraught frontier

Satellite constellations are crowding the skies, causing conflict between astronomers, governments and businesses.

Near Athabasca, AB
How to make your house dark-sky friendly

Working on making a dark sky visible in your area? You can start at home.

“Hello Darkness…” is a mini-documentary produced in Belleville, Ont.
Shedding light on darkness

A producer-director in Belleville, Ontario, is using film as a way to bring light to darkness — or the lack thereof.

Getting smart about light pollution

Preserving the beauty of the night sky means harnessing technological innovation and social change.