This week is National Public Safety Telecommunicators Week. It's a time to honor and recognize 911 professionals who take the ...

To help you stay aware, the Environmental Protection Agency developed the air quality index (AQI). It's a daily report ...

Often seen on Earth, the effect consists of concentric, colorful rings of light, and it occurs when light reflects off clouds ...

Researchers think they have solved the mystery of how the distinctive heart came to be — and it could reveal new clues about ...