Space Weather 101: A Complete Beginner's Guide
Never heard of Kp, Bz, or CMEs? Start here.
Aurora Photography Camera Settings Explained
Manual mode, aperture, shutter speed, ISO, and focusing in the dark: the reasoning behind the numbers.
Aurora Photography Gear: What You Actually Need
What genuinely matters for shooting the aurora, and what's commonly recommended but not worth stressing over.
What to Expect Photographing the Aurora
Why your eyes and your camera see the aurora differently, how long you'll actually wait, and how to judge a good night realistically.
Best Places to See the Northern Lights
Classic high-latitude destinations, the best time of year, and how far south a strong storm can realistically push the aurora.
Best Places to Go Stargazing
How to read the Bortle scale, the darkest certified destinations in North America, and how to find a dark sky near you.
What Is a Meteor Shower?
Why they happen on the same dates every year, what ZHR means, and how to actually watch one. Includes the 2026 shower calendar.
The Kp Index Explained
How we measure Earth's magnetic heartbeat, and why it's the most widely used aurora forecast number in the world.
The Secret Switch: How Bz Controls the Aurora
Why a single negative number is the most important aurora predictor in space weather science.
Reading the Solar Wind
Speed, density, and temperature: what these three numbers actually measure and how to use them together.
Coronal Mass Ejections
When the sun launches a billion-ton cloud at Earth: how CMEs form and what happens when they arrive.
Substorms: The Hidden Engine Behind the Aurora
The explosive energy releases that turn a quiet aurora into a dancing, surging light show.
STEVE: The Purple Ribbon That Isn't Actually an Aurora
What citizen scientists discovered, what NASA's Swarm satellites found, and how to tell STEVE apart from a real aurora.
NOAA's Space Weather Scales
What G, S, and R actually mean, and who cares about each one.