What is the autumnal equinox? The autumnal equinox marks the start of autumn in the Northern Hemisphere. The Earth travels around the sun at an angle, and for most of the year, the Earth’s axis is ...

Autumn has officially arrived across Northeast Ohio, the seasonal shift is marked by the autumn equinox. But there’s another, lesser-known milestone that matters just as much for daylight watchers: ...

The summer solstice is Sunday, marking the longest day of the year in the Northern Hemisphere and the start of astronomical summer.

Peak sunshine has arrived in the Northern Hemisphere—the summer solstice. Friday is the longest day of the year north of the equator, where the solstice marks the start of astronomical summer. It's ...

Day and night will get equal time for a brief moment Monday as much of the world heads into fall. The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere ...