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

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 ...

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 ...

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 ...