Summer heat is most obvious by day, as the sun bakes down and temperatures rise with increasing intensity. But a less noticeable trend is happening while most people sleep: Nighttime temperatures are ...

NORFOLK, Va. — Most summer days, you hear us talk about “humidity” when describing how the air feels. While many people are familiar with the term relative humidity — the percentage of water vapor in ...

Add Yahoo as a preferred source to see more of our stories on Google. Naser Daher, of Durham’s Old Farm neighborhood, carries his belongings through floodwaters near the Eno River in Durham on Monday ...