Though sun halos can happen year-round, they are especially noticeable in the winter when ice-filled cirrus clouds are more common.

Cold sunshine returns today but it won't be long before temperatures return to a more seasonal feel into the weekend.

When a front moves through or on just a regular day we can see middle tiered clouds here at home. Altocumulus clouds ...

The cloud cover isn't what it used to be, and scientists say it is helping fuel Earth's hottest temperatures on record.

Rising temperatures are fueled, in part, by declining cloud cover — which could be a potential climate feedback loop.

Clouds help control Earths temperature by trapping heat and reflecting sunlight. They keep the planet warm by holding in ...

Experts say that rings around the moon can pop up from time to time, but have you ever seen one in Denver? Last night, at ...

The key finding: Earth's albedo was the lowest since 1940, and that contributed about 0.2 degrees Celsius to record heat in ...

During the day, folks can call this a 'sun halo', but at night and when associated with the moon, try a 'lunar halo'. These ...

The Netherlands is in for a spring-like weekend, starting with maximums of around 15 to 18 degrees on Friday. Saturday and Sunday will also see thermometers climb into the double-digits before the ...

This weekend is shaping up to be the warmest spell of weather in the Bay Area in a month as temperatures climb well into the 60s toward 70 degrees. A subtropical high-pressure system over Mexico will ...