On the day of the 2025 autumnal equinox, the sun rises almost exactly due east and sets to the west. The months that follow ...

Thursday is Cleveland's equilux day, marking the balance of daylight and nighttime. After the equilux, Cleveland’s nights ...

Is the fall equinox actually the day that day and night are precisely equal? It’s a question that recurs each September, and ...

DULUTH — We woke up to winter, and now it's spring. Funny how astronomical events can turn on a dime. The new season began at 10:33 a.m. CDT Sunday when the center of the sun crossed the celestial ...

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

Never mind the fact that the leaves near you may still be green. The season began on Sept. 22, marked by the autumnal equinox ...

During the Fall Equinox, once the Sun crosses the equator, it is located more south in the sky. As a result, the Earth's ...

The summer's been so hot it's hard to imagine that fall has arrived. But celestial bodies don't look at thermometers. They move on. And that's why we're headed for frosty mornings, like it or not. For ...

Monday marks the autumnal equinox, and the public is gathering at the UMass Sunwheel to observe the celestial event.

The equatorial coordinate system projects Earth's latitude and longitude onto the celestial sphere, using declination (angular distance from the celestial equator, measured in degrees) and right ...

When it comes to locating objects in the night sky, how does one convey its precise position? The sky is divided into a scattered pattern of 88 constellations of various sizes and shapes covering ...