With the latest sunsets upon us right now, many people will notice how light it stays outside each night during the summer - even after sunset. The window between sunset and the time it gets fully ...

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 ...

As the sun rises in the morning, the sunlit portion of the aurora begins at high altitudes and gradually spreads downward over time. Auroras: Auroras are natural phenomena where electrons from space ...

After sunset, there is period of time where the sky gradually darkens, and before sunrise there is a period of time during which the sky gradually brightens. Twilight, the time between day and night, ...