Pittsburgh's morning fog prompted a Dense Fog Advisory; clear weather is expected later with a dry Fourth of July weekend ...

Many of our viewers have captured pictures of rainbow clouds and this is actually called cloud iridescence. Meteorologist ...

“One of the most noticeable symptoms of the Stratus variant is hoarseness, which includes a scratchy or raspy voice," ...

A “roll cloud” spotted off the coast of Portugal looked like something out of a movie. Here’s the science behind it.

It's a huge and menacing cloud that may look like a tornado -- but it's harmless. Republicans disappear from Congress as Mike ...

Some Coloradans have noticed rainbow clouds over the past few days? This is actually a rare phenomenon called "cloud ...

Geologists from the University of Hong Kong (HKU) have made a breakthrough in understanding how Earth's early continents ...