It's almost time to get your coats out, pour yourself a large pumpkin spice latte, and start picking your conkers. That's because autumn officially begins tonight! The autumn equinox takes place at 19 ...

GRAND RAPIDS, Mich. (WOOD) — At the end of this week, the sun will cross the celestial equator from south to north and the spring season will begin. The vernal equinox will occur on March 20 at 5:37 a ...

The interior of the Sun does not rotate at the same rate at all latitudes. The physical origin of this differential rotation is not fully understood. It turns out, long-period solar oscillations ...