Researchers in Japan have pinpointed a biological cause of Long COVID brain fog using advanced PET brain imaging. They discovered widespread increases in AMPA receptor density linked to cognitive ...

A new $3.65 million initiative is looking into why fog has declined 33% across California’s redwood forests. Reading time 3 minutes Clouds, fluffy clouds, have long bedeviled climate scientists trying ...

In early December, Chad Vander Veen ran a marathon beneath a ceiling of unbroken fog. For more than 26 miles, the 47-year-old pushed through with visibility near a quarter of a mile, with nothing to ...

JACKSONVILLE, Fla. — A stretch of persistent sea fog has settled along the coast in recent days, reducing visibility and creating cool, gray mornings that show little sign of quickly clearing. Unlike ...

Forecasters are urging caution on roadways and waterways in southeast Michigan and the Thumb as dense fog hovers over the region Thursday morning, according to the National Weather Service. A dense ...

California’s Central Valley has spent the past several weeks buried under a thick, unmoving layer of tule fog — the dense, ground‑hugging haze that can turn I‑5 and Highway 99 into walls of white with ...

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 ...

Thick, heavy fog has been blanketing California’s Central Valley for weeks, reducing visibility on roads and obscuring street signs. “The signs might be harder to read in the fog, but they’re still ...

Recent scary pile-ups on highways in California have been blamed on tule fog, a specific type of fog that's native to the state's Central Valley. The recent huge, fog-related pileups in California ...

Sacramento and other Central Valley communities were facing hazardous driving conditions on Thursday morning due to dense fog. The National Weather Service issued a dense fog advisory at 12:10 p.m.

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. Freezing fog forms when fog makes contact ...

The Sacramento and San Joaquin valleys — nearly 400 miles from Bakersfield to Redding — have woken up most mornings since before Thanksgiving under a stubborn blanket of mist and fog. The murky ...