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 ...

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

The autumnal equinox brings fall to the Northern Hemisphere today as the sun passes directly over the equator at noon. But ...

The official first day of fall, otherwise known as the autumnal equinox, is this weekend in the Northern Hemisphere.

However, KOIN 6 Meteorologist Kelley Bayern says that, due to several factors – such as latitude and location, as well as the ...

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

On Sept. 22, the fall equinox formally heralds in autumn and marks the end of summer in the Northern Hemisphere.

As the sun sets, it lines up perfectly with Chicago's east-west streets and is framed by downtown skyscrapers. The possible ...

New England marks the fall season with cool temperatures, coastal flood potential, and a mix of sun and clouds.

The unseasonable heat is finally on its way out as we will welcome Fall with temperatures in the 60′s on Sunday.