In Japan, Autumnal Equinox Day is a national holiday. In Japanese, it’s known as Shubun no Hi (秋分の日), according to Coto ...

Sept. 22, day and night will be nearly equal in length as Earth spins side-on to the sun and autumn officially begins in the ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

where winter is transitioning to spring. In the Northern Hemisphere, we’ll continue to lose daylight until the winter ...

A new analysis of the brushstrokes and colors in Vincent van Gogh's famous painting Starry Night reveals a striking ...

A partially eclipsed supermoon is expected, too. September welcomes a flurry of night-sky sights, from potential ...

A giant moon with a chunk taken out of it was visible in the skies on Tuesday night. Here are some of the best shots in case ...

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

Explaining equinoxes Equinoxes occur in between the solstices and signal the beginning of spring and autumn. The term equinox ...

In the northern hemisphere ... night" at Blea Tarn in Langdale, Cumbria "The sky went nuts with visible pillars by eye," he said. A dark path at Cartington holds the promise of something special in ...

Whether you want to see the northern lights or a meteor shower, astrophysicist Hakeem Oluseyi gives tips on stargazing from a ...