Former NASA astronaut and Columbia University professor Mike Massimino joins TODAY to share his unique perspective to explain ...

According to Britannica, the fall equinox is one of two moments in the year when the sun is exactly above the equator. The ...

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

Tuesday is anticipated to be the warmest day of the week with western interior temperatures warming into the 70s under plenty ...

Autumn brings longer, cooler and clearer nights. Summer’s bright constellations and dense star clouds of the Milky Way give ...

Later on as cloud cover diminishes, temperatures will still be on the cooler side. Highs on Monday will be around the low to ...

Another thing that happens around the Autumnal Equinox is that the North Pole experiences its last sunset and will be in darkness until the Spring Equinox in March. It’s the opposite for the South ...

The fall equinox brings the sun into perfect symmetry with east-west streets, providing a dazzling phenomenon over the ...

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

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

The "Chicagohenge" phenomenon aligns with the fall equinox, offering picturesque sunrise and sunset views between city ...

The first day of fall is upon us!  The autumnal equinox took place at 8:44 am EDT this morning, marking the official start of the fall season.   This is not our only equinox of ...