In reality, a green rim is there at every sunset. It's just usually so thin, and so brief (a second or two), that our eyes ...

If you’ve ever found yourself wishing for the ability to read other people’s thoughts or the ability to see into your own heart, all you have to do is stare at the horizon directly at sunrise or ...

The green flash is a rare, brief optical event of green, yellow, and sometimes blue that colors the horizon, occurring at sunrise or sunset most often in the western U.S. Refraction and dispersion ...

As the sun dips below the horizon and the light starts to dim, lucky observers may spot a rare, brief flash of emerald. This is the "green flash," which can sometimes be seen right after sunset or ...

According to NASA, the green flash is a real phenomenon when the Sun sets or rises, and its light is refracted by the Earth's atmosphere. San Francisco Chronicle via Getty Images KEY WEST, Fla. – The ...

A brief flash of green light was recently spotted coming from Venus in the night sky. The colorful shimmer has only been seen a handful of times before. When you purchase through links on our site, we ...