Friday morning, March 20, marks the triumphant return of spring in the Northern Hemisphere. Spring is a glorious, warm season ...

Spring officially begins in the Northern Hemisphere on March 20 with the vernal equinox as the entire world experiences an equal amount of daylight and darkness. For ease of recordkeeping, ...

The Nature Index tracks primary research articles from 145 natural-science and health-science journals, chosen based on reputation by an independent group of researchers. The Nature Index provides ...

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. On the ...