NASA's Don Pettit impersonated fellow astronaut Matthew Dominick to show what it's like when two astronauts get to nerd out ...

Ball Lightning Imagine seeing a glowing sphere floating through the sky during a thunderstorm. That's ball lightning, a ...

Lightning is Incredibly Hot When people think of heat, they often think of things like boiling water or a hot summer's day. However, lightning dwarfs these common perceptions of warmth. A single bolt ...

If that 'ceiling' occurs just above the hill tops the fast-flowing air bounces downwind of the hills. It’s in the top of those bounces where cloud can form like a cap, and you can sometimes get ...