Space
PHOTOS: Exceptional solar storm sparks stunning auroras across Canada
Bright Northern Lights possible tonight after arrival of speedy solar storm
Explainers
How hot water fuels the world’s most powerful hurricanes
A hurricane can explode in size after shedding its own eye
‘ACE’ is the best way to measure a hurricane season’s ferocity
Hurricane remnants can bring dangerous weather deep into Canada
Can hurricanes happen in the winter?
How to get the most out of auroras, meteor showers, and other night sky events
Here’s a gorgeous view of your world on the autumn equinox
New study explains why tsunami signals last year in Greenland lasted for days
Who holds onto the longest-setting September sun?