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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A photograph of a sunset over the ocean with a green flash around the sun. As the sun dips below the horizon and the light starts ...

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 ...

(KUSI) — When going for a sunset stroll along a beach, there may be a chance to see a phenomenon referred to as a “green flash.” According to experts at EarthSky, the green flash can be seen shortly ...

I didn’t believe in the “green flash” so many people said they see at sunset, until I saw one on St. Barth a few years ago. So, yes, I can confirm there really can be a green flash at sunset, caused ...

Ever seen a rare green streak of light near the horizon right around sunrise or sunset? These "green flashes" are beautiful indeed, and the reason they sometimes form is very interesting. To ...