Rare noctilucent clouds are showing up in places they never used to, and scientists are trying to find out why.

WRAL viewers submitted photos of beautiful clouds they saw in the sky before Wednesday night's storms. WRAL meteorologist Elizabeth Gardner said they're actually quite common. "It's a beautiful ...

Starting high in the Northern Hemisphere sky, I’ll be highlighting lots of stuff over the coming weeks and months. I’m going to start with the Cepheus Molecular Cloud, a rich region with some ...

FILE - This May 21, 2012 file photo shows an annular solar eclipse appears in the sky over Yokohama ... lower level clouds is greater. “It does look pretty certain that there will be cloud ...