Breaking space news, the latest updates on rocket launches, skywatching events and more! You are now subscribed Your newsletter sign-up was successful Want to add more newsletters? Delivered daily ...

The Fabled “Green Flash” at sunset or sunrise can sometimes be seen on crystal-clear days in January. At the instant the sun’s upper rim is last visible at sunset, and also at the instant when it is ...

Add Yahoo as a preferred source to see more of our stories on Google. Ever seen a rare green streak of light near the horizon right around sunrise or sunset? These "green flashes" are beautiful indeed ...

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 ...

Bay Area meteorologist Jan Null had been trying to see the so-called green flash for nearly 50 years, looking for a hint of emerald any time he was at a beach during sunset. But it wasn't until Null ...

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 ...