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 ...

The footage comes from Jacob Moss, a surf filmer based on the North Shore of Oahu. And it shows the sun slowly creeping ...

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 ...

KEY WEST, Fla. - The green flash from the Sun is a phenomenon that has been the subject of much debate, with many people dismissing it as just a myth. However, according to NASA, the green flash is a ...

There are very special cases, when the sky is very clear and exceptionally transparent, that a green flash can be glimpsed just as the very topmost part of the sun is rising or setting. When you ...

Just as the sun slips behind the Chilean Andes, it seemed to send up a tiny emerald flare. The photograph, taken from Cerro Pachón in Chile by NOIRLab Audiovisual Ambassador Petr Horálek, captures a ...