As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.

“For those of us in the northern hemisphere ... the Geminids will be seen blazing in the night sky until the shower’s finality on December 21, while the Ursids will peak December 21-22 ...

Skywatchers are in for a treat as the Cold Moon, December’s full moon, illuminates the night sky ... will be the day of the Northern Hemisphere winter solstice, the astronomical end of fall ...

The difference between an equinox and a solstice is based on Earth’s tilt, affecting daylight length and the changing of ...

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

The northern lights, known as the aurora borealis, are a spectacular natural light show visible at certain times of the year in the Northern Hemisphere. They occur when electrically charged ...

Mercury puts on its best evening apparition of 2025 for Northern Hemisphere observers during ... at least not just yet. Related: Night sky, March 2025: What you can see tonight [maps] Read more ...

In the Northern Hemisphere, the December solstice is the year’s day of least sunlight, when the sun takes its lowest, shortest path across the sky ... most of the night. Ho-Chunk Nation of ...