This event signals the start of Spring in the Northern Hemisphere and Autumn in the Southern Hemisphere, a transition that also manifests in our evening skies as winter constellations start to vanish.

Cassiopeia is observable in the autumn and winter throughout the Northern Hemisphere. It lies opposite the Sun in early October. And if your location on Earth is at 46° north latitude or higher ...

Spring officially begins today (March 20) with the vernal equinox, bringing longer days and warmer temperatures to the ...