Northern Lights put on a show across Canada, U.S., and parts of Europe
Show isn't over, yet: Northern lights set to give Canada an encore
Geomagnetic storms: When should we look up and when should we worry?
No time to recover: Breaking down Hurricane Melissa's compounding disaster trap
Auroras may be on display tonight in parts of Canada, but where?
Thundersnow is a rare and electrifying experience
What happens if the mega-earthquake hits California tomorrow?
Watch as winds create mesmerizing fields of gravity wave clouds
Are you ready for Torontohenge? Here's when you can see it
GOES marks 50 breathtaking years of watching Canada’s skies