Just in time for the autumnal equinox, NOAA predicts Kp values in the middle range, which is enough to give much of the U.S.

The equinox occurs at the same moment wherever you are on Earth but what is it and when does it take place? Chris Fawkes has ...

On September 21, 2025, a partial solar eclipse will occur, coinciding with the September equinox. Skywatchers in India won't be able to view it directly, but the eclipse will be visible as a crescent ...

Nearly equal day and night, Saturn, autumn traditions and the official first day of fall. Here’s what Monday’s equinox means.

It’s almost time to bid farewell to summer and say hello to fall. Here's when the new season officially starts.

An equinox is a twice-yearly event in March and September when the Sun is directly above the equator, causing nearly equal day and night across the globe. This year's autumn equinox will take place ...

Grab your pumpkin spice lattes and Halloween decorations, the start of fall is officially here ... at least according to the autumnal equinox.

Sun is setting earlier and leaves are changing. Here's what to know about first day of fall 2025, autumnal equinox, foliage map and winter solstice ...