Sun coloured ash and smoke rising after Klyuchevskoy volcano eruption in Kamchatka, eastern Russia. Video credit: Olga ...

Pink-coloured smoke that briefly emerged in Edmonton skies Friday morning caused quite a stir on social media, as residents attempted to figure out what it was and what caused it.

Canada Smoke cloud covers Edmonton as workers battle forest fire CBC News · Posted: May 21, 2002 8:48 PM EDT | Last Updated: May 22, 2002 ...

Hubble turns 35 This small piece of the Rosette Nebula resembles a cloud of dark smoke passing over a lighter gauzy cloud. Gas and dust create the wild shapes seen by Hubble.

The smoke appeared just after 11:30 a.m. and triggered calls to Edmonton Fire Rescue Services (EFRS). City officials say the smoke was the result of a power failure at Enerkem Alberta Biofuels, an ...

The results of the study found that wildfire smoke across the western U.S. strongly impacted the microphysics of small cumulus clouds, which had high droplet concentrations and small droplet sizes.