The Fall Equinox marks the official start of autumn in the Northern Hemisphere, representing a key shift in Earth’s relationship with the Sun. While it is often linked to equal day and night, the ...

In the Northern Hemisphere, the equinox symbolizes the onset of shorter days with longer, cooler nights, while in the Southern Hemisphere, spring arrives with longer, warmer days. This year, the ...

Summer days have come to an end, as evidenced by the cooler weather and the leaves beginning to change color. The fall season is marked by the autumnal equinox, which is the astronomical start of fall ...

Stars and planets are lining up for the change of seasons during the Northern Hemisphere's autumnal equinox this year.

The autumnal equinox doesn't just mark a seasonal shift, but also increases the chances of dazzling auroras thanks to the Earth's orientation and magnetic field The National Oceanic and Atmospheric ...

SIOUX FALLS, S.D. (KELO) — Fall officially begins today across KELOLAND. Meteorologist Adam Rutt takes a look at a common misconception and what you can expect. The start of fall, also known as the ...

It's the 2025 Sports Equinox. Similar to a solar equinox, when the sun lines up perfectly with the Earth's equator to signal ...

Saturn will put on a show for professional and backyard astromers alike, and be the brightest and closest it has been to Earth all year. On Sunday, Sept. 21, Saturn will be at opposition, meaning the ...