The equinox happens when the sun's rays square up with Earth so the day is about as long as night. From then on, the days get shorter, darker, and colder. Here's why. The first day of fall, also ...

If it seems like the sunrise or sunset has been happening a little faster as of late you’re not imagining things. Sunset in ...

The summer solstice, which is approaching this week, typically marks the “official” start of summer, although it’s felt like summer in Florida for weeks. Solstices and equinoxes mark the first day of ...

The fall equinox marks the first day of autumn. When does fall officially begin in 2025? This visual guide will help get you ...

For much of the planet, the 2025 fall equinox occurs this Monday when day and night are supposed to be of “equal lengths,” ...

The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere and the spring in the ...

The first day of meteorological spring is March 1, while the astronomical first day of spring varies based on the vernal equinox. Astronomical seasons depend on the Earth's position relative to the ...

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

Winter is coming to a close and spring is about to kick in. So, now is a good time to talk about equinoxes and solstices. With the vernal equinox nearly upon us, here's what we know about when spring ...

The vernal equinox heralds the arrival of spring in the Northern Hemisphere (finally). But have you heard the myth about balancing an egg on its end? Freelance writer Amanda C. Kooser covers gadgets ...