Sunrise and sunset are two of the most beautiful times of the day, as the sky is washed with pinks and oranges. But what happens before and after? GBH meteorologist Dave Epstein joined Morning Edition ...

MOLINE, Ill — Sunrise and sunset are terms we are relatively familiar with in describing the daily motion of the sun and the amount of light or darkness that surrounds us. What about dawn and dusk?

Sometimes sunsets are colorless as we just witness darkness arrive because of clouds or weather hiding the sunset. Other times our sky lights up in stunning hues of oranges and reds or various shades ...