It's in all the best horror movies, but fog may be scariest when traveling in it. Delaware was under a dense fog advisory Tuesday morning. The fog will move off by 11 a.m. on Monday, but it's ...

Most people have had brief lapses of memory — forgetting a train of thought, a driving route or maybe a word choice. In most cases, these episodes last only a few seconds and are nothing to worry ...

Scientists have long struggled to define brain fog—let alone pinpoint a cause for it. But research is starting to reveal multiple potential causes from inflammation to a leaky blood-brain barrier.

Many people recognize fog as a low-lying cloud, but how does it form? Fog develops when the air near the ground becomes saturated or cool enough for moisture to condense. This occurs when the ...

Fog is essentially a cloud on the ground. Lake Michigan's cool water helps thick fog to form. Fog can be one of the most dangerous weather conditions. We've seen a lot of very thick fog recently. It ...

Upstate South Carolina is experiencing a winter storm with snow and freezing fog. Freezing fog consists of supercooled water droplets that can freeze on surfaces, creating a thin layer of ice. The ...

Add Yahoo as a preferred source to see more of our stories on Google. Nearly all of Ohio is under a dense fog advisory Monday morning. According to the National Weather Service, all Ohio counties ...

Following the arctic blast that hit North Texas over the weekend, temperatures will remain low and freezing fog is expected to creep in on Wednesday morning. But what is freezing fog, and what should ...

DALLAS — The freezing fog is mixing in and clearing out here as we approach midday and the afternoon. More patchy freezing fog is possible overnight, but widespread issues are not expected. What is ...

In recent weeks California's Central Valley has been blanketed with a thick dense fog known as tule (TOO-lee) fog, causing massive vehicle pileups along Interstate-5 along Highway CA-99. It's a type ...