Explainers
What is a sluff? These common slides spell danger in the mountains
Showering during a thunderstorm: Risky business or just a myth?
Space
NASA astronauts Butch and Suni return to Earth after drawn-out mission in space
Your daylight is a lie, Canada (blame the atmosphere!)
St. Patrick's Day green traditions linked to these weather patterns
The frightening reason violent EF-5 tornadoes are so rare
High-risk U.S. severe weather days are exceptionally rare and dangerous
Encore performance of the northern lights possible in parts of Canada
NASA SPHEREx will map the cosmos to unlock its deepest mysteries
In Photos: Stunning views of the rare Pi Day "Blood Moon" Lunar Eclipse
These are the awesome treats you could see from space today
Asteroids, valleys, drops: Discovering Earth's geological gems