GRAND RAPIDS, Mich. (WOOD) — Just because something floats doesn’t mean it is weightless. A great example is when oil is poured onto water. The oil will float on top of the water, but that doesn’t ...

The right mix of hot, humid, rising air can produce some of the most powerful weather phenomena on the planet.

NORFOLK, Va. — Spotting a cumulus cloud is pretty easy. The clouds resemble pieces of cotton candy, but why are cumulus clouds fluffy and not flat? To fully understand why, we need to start with the ...

When the moon passes in front of the sun during a solar eclipse and ushers in an uncharacteristic darkness, nature tends to react. Birds cease their chirping. Buzzing bees return to their hives. And ...

PITTSBURGH (KDKA) - On beautiful days full of sunshine, sometimes some puffy clouds develop that look like cotton balls. These "fair weather cumuli" form because of certain atmospheric conditions. You ...