Spring gets its official start Thursday in the Northern Hemisphere with the arrival of the vernal equinox. But what does that ...

Meteorologists consider March 1 the start of spring. An equinox occurs twice a year. The autumnal equinox occurs in September – when ... view our graphics? Click here to see them.

As California enters spring, sunrise times become earlier and sunset times become gradually later each day. When the new ...

Spring is almost here — officially, at least. The vernal equinox arrives on Thursday, marking the start of the spring season for the Northern Hemisphere and the fall in the Southern Hemisphere.