We’ve all noticed it. Nights are growing longer, furnaces are working harder, and in many places, snow is blanketing the land. No doubt about it: Winter is coming! The exact moment that winter arrives ...

This year’s Winter Solstice will occur on Dec. 21. Many ancient sites, like Newgrange in Ireland, pictured, were built to be aligned with and track the Winter Solstice. Photo by Bethany O’Hagan The ...

Summer has officially begun in California. The start of the new season is marked the summer solstice — an astronomical event that marks the longest day of the year. Past this point, the days will get ...

Each year, around June 21st, the Northern Hemisphere experiences the Summer Solstice - the longest day and the shortest night of the year. For centuries, cultures worldwide have marked this celestial ...