The temperature is not the only thing that can impact how hot it feels outside — the amount of moisture in the air also makes a difference. The more moisture in the air, the hotter it will feel in the ...

Smoke from wildfires in Canada has drifted into the U.S., prompting air quality alerts for Americans as it continues to spread. But when officials and forecasters classify a city's air as "unhealthy" ...

Temperatures this week are some of the hottest we have seen the entire year now as we get to the end of July. This is a perfect opportunity to explain what the Heat Index is and how it is all ...

Discover the Leading Economic Index (LEI), its components, and how it forecasts future U.S. economic trends. Essential for investors and businesses planning ahead.

The Consumer Price Index “is a measure of the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services,” according to the Bureau of Labor ...

Even folks new to investing have probably heard someone mention index funds. But what are they and how do they work? This article explores index funds in detail to help you understand how they work, ...

PHILADELPHIA (WPVI) -- With smoke blowing into the Philadelphia region from the wildfires in Canada, you may have heard a lot about the Air Quality Index or AQI. But what it is, exactly? The Air ...

Wearing sunscreen all year round can help protect your skin from harmful UV rays. CREDIT: DieterMeyrl via Getty Images. Get the Popular Science daily newsletter💡 ...