This sugar maple leaf shows multiple different pigments that cause it to appear green (chlorophyll), yellow (carotenoid) and red (anthocyanin). Summer has given way to fall, and with that the green of ...

It's fall, ya'll! Sweater weather is upon us. The beginning of the autumn season marks the end of warm summer days and the start of longer chilly nights. As the Earth travels around the sun, it does ...

The autumnal equinox — the official start of fall in the Northern Hemisphere — will occur on Monday, September 22, 2025, at precisely 2:19 p.m. EDT, according to The Old Farmer’s Almanac. This ...

With Labor Day weekend comes the unofficial end of summer and the start of the back-to-school, back-to-the-grindstone season. For some, that shift brings happy thoughts of new projects, colorful ...