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 ...

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 ...

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 ...