Pacific Standard Time on Sunday, Sept. 22, it's both astronomically and meteorologically fall in the Northern Hemisphere.

The sun's light and warmth fall unequally on the northern and southern halves of the planet, so during different seasons, the ...

Now that the calendar has officially crossed into astronomical autumn and leaves have started to gain their vibrant colors and fall to the ground, Mother Nature will usher in a notable pattern change ...

The equinox has no relationship to Houston’s weather, and the city’s climate afterwards isn’t guaranteed to bring cooler or ...

The fall equinox arrives in South Florida with continued summer heat, a slight chance of showers, and a tropical system ...

During the autumnal equinox, the Earth’s axis and its orbit line up so ... They break down the year into three-month seasons ...

The next full Moon is the Hunter's Moon, which will occur on Thursday, Oct. 17. That evening, the Moon will rise above the ...

Pumpkin Spice lovers, it's time to celebrate! This year, Earth hits the Autumnal Equinox on Sunday and the fall season will officially begin.

At the moment of this year's Autumnal Equinox, it should theoretically disappear completely from view, and yet its disk will ...

TribbleAlso see my personal gallery at Google Photos, CC BY-SA 3.0, via Wikimedia Commons As the calendar ticks over to fall ...

The autumn equinox, which comes around every September for the Northern Hemisphere, marks the official astronomical start of ...

The Autumnal Equinox is a special day when the day and night are equal. This marks the beginning of shorter days and longer ...