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

It's almost time to fall into fall, though in many parts of the country, it feels like we're already there. There are ...

Meteorological autumn began on Sept. 1, but astronomical autumn, also known as calendar autumn or the autumnal equinox, is on ...

The Mayans were one of the most advanced ancient civilizations in terms of scientific advancements. Their crown jewel was the ...

When does summer end in 2024? Astronomical and meteorological seasons explained - There are just a few weeks left to enjoy ...

The threshold between one season and another, between one moment and the next, between one way of being and the next one: ...

But some events that might be described as "astronomically awesome" if not fully astronomical are also known for adding ...

Though the autumnal equinox is Sunday, marking the astronomical start of fall, Chicago-area residents wouldn't know without ...

Supermoon and lunar eclipse. The night between Tuesday, September 17 and Wednesday, September 18 will offer a spectacle in ...

The fall season officially begins on the calendar this Sunday, with the autumn equinox. For those of us in the northern ...

The final week of astronomical summer will feel quite summery in Chicago with Monday’s forecast high of 88 degrees at O’Hare ...

Superior: Learn the basics of astronomy 9-10:30 p.m. at Festival Park Barker's Island with experts from Starry Skies North, DarkSky Wisconsin and the Arrowhead Astronomical Society. Solon Springs: Our ...