The winter most are familiar with: The date on your calendar when winter begins is known as the winter solstice. In 2025, that will occur on Saturday, Dec. 21, at 10:03 a.m. ET.

A fast-spreading mutated strain of influenza H3N2, known as subclade K, is now circulating. Early reports from global health ...

Learn when fall begins with the autumnal equinox. Get upcoming dates, Harvest Moon info, and understand meteorological vs ...

Winter is a special time for the northern hemisphere—the seasonal swell flow is up and rolling, with more waves on tap than ...

Earth's Tilted Dance Through Space 44 degrees, or about half way between its extremes, and this angle is very slowly ...

Snow in Hawaii isn't as unusual as you might think, but some northern U.S. cities are seeing significant delays to the start ...

December might be extra chilly this year across parts of the United States this year because of a weather phenomenon ...

With flu vaccinations down and holiday travel on the way, experts worry that things may look much worse in the weeks ahead.

Each year, as Americans roll up their sleeves for their annual flu shot, they might be surprised to learn their protection ...

If you can remember from our winter forecast, snow extent in Siberia and Canada can impact our winter season. How do we ...

How bad will this year’s flu season be in the United States? At the moment, we have no answer to that important question.

The worldwide prevalence of high blood pressure in children and adolescents nearly doubled between 2000 and 2020, new ...