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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 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The finale of every sunset is green. Try to catch it, if you can ...

If you’re in the right place at the right time, you might just get to witness the elusive green flash as the sun passes the horizon. A relatively rare optical phenomenon, green flashes can only be ...

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 ...

Ever since the late Sarasota mystery writer John D. MacDonald wrote A Flash of Green in 1962, locals and visitors stand on the beach at sunset, hoping to see a brief burst of green light just as the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. If you're in the northern hemisphere and it's been a clear ...

After decades forecasting the Bay Area and California weather, there are few things Jan Null, certified consulting meteorologist (CCM), hasn’t seen in the skies. One of those things, it turns out, is ...