But for many modern cultures—and Americans in particular—the solstices and equinoxes are no longer as important. Most people who "really pay attention to what's going on outside on a regular ...

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

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.

Winter is coming! Here's when it starts, when the winter solstice will arrive and what you should expect for winter weather ...

The first day of fall and the meteorological end of summer have already passed. There are two equinoxes and two solstices ...

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

It’s an occasion—along with September’s equinox and the solstices in June and December—that’s been marked by humans for thousands of years. How did ancient people know when the equinoxes ...

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

It’s the longest day of the year! The summer solstice is today, Thursday, June 20. Although the summer solstice marks the official first day of summer, it doesn’t necessarily bring a wave of ...

“the astronomical seasons” (which follow the arrivals of equinoxes and solstices) and what’s called the “meteorological seasons.” Allison Chinchar, CNN meteorologist, explains the ...

There are two equinoxes and two solstices each year. Equinoxes occur during the fall and spring and are called the autumnal and vernal equinoxes. They mark the first official day of spring and ...