Fall aboard! The autumnal equinox marks the start, happening at 8:43 a.m. ET on Sunday, Sept. 22. Here's everything you need to know about the season.

During an equinox, places around the globe experience nearly equal amounts of daytime and nighttime. The second occurrence ...

The autumnal equinox heralds the arrival of fall in the northern hemisphere, and it's just around the corner. Here's what to ...

Twice a year, the sun doesn’t play favorites. Everyone on Earth is seemingly on equal status – at least when it comes to the ...

So is the autumnal equinox, which marks the end of astronomical summer and the first day of fall in the Northern Hemisphere. The exact time of the fall equinox changes slightly each year. This year, ...

What is the autumnal equinox? As the Earth travels around the sun, it does so at an angle. For most of the year, the Earth’s axis is tilted either toward or away from the sun. That means the sun’s ...

Connect with nature and history through a guided, meditative walk through woodland and into the Burial Ground at twilight on the Autumn Equinox. Booking essential ... wood and into the Royal Burial ...

The other incident happened during a rapid expansion of life on Earth known as the Cambrian explosion, the Chinese-led team concluded. Although the world seems to rotate at a constant pace ...

during which both the northern and southern hemispheres will experience equal amounts of daylight. That means 12 hours of day and 12 hours of night. The arrival of the September equinox marks the ...

This month, the moon, sun and Earth are lined up so that the full moon ... If you want to get a closer look at the moon's many features during lunar eclipses or at any other time, be sure to ...

September could be a prime time to see vibrant auroras, thanks to a quirk of Earth's tilt that leads ... few weeks on either side of this month's fall equinox (Sept. 22) could see geomagnetic ...