This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The ...

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 ...

Craig Hayslip, a faculty research assistant at Oregon State University’s Marine Mammal Institute, captured the elusive “green flash” on the ocean horizon April 20, 2024, at 8:10 p.m. He photographed ...