The Martian new year arrives with the Red Planet’s vernal equinox. Explaining why requires a deep dive into celestial ...

Here's when winter officially starts, when and what the winter solstice is, when we fall back and what to know about the ...

Halloween marks the halfway point between the Autumnal Equinox and the Winter Solstice, making it a cross-quarter day.

As the seasons shift and the nights grow longer, astrology enthusiasts are turning their attention to the autumn equinox, ...

Late December marks the start of the 2024 winter season. When does winter officially start? Here's what to know about the ...

The seasons have their names for a reason; they describe the weather common for that time of year. Here's why the coldest ...

What is a solstice? Here's the short answer There are two equinoxes and two solstices each year. Equinoxes occur during the fall and spring and are called the autumnal and vernal equinoxes.

The winter solstice may mark the shortest day of the year, but it also means longer, brighter days are on the horizon. Here's ...

Halloween, celebrated on Oct. 31, marks a cross-quarter day between equinox and solstice, coinciding with daylight savings ending on Nov. 3.