Autumn officially arrives in the Northern Hemisphere on Tuesday, Sept. 22 at 9:31 a.m. EDT (1331 GMT). And consequently, our evening sky is now one in transition.
Autumn's celestial sea: Catch these 'water' constellations in the night sky this fall : Read more
Autumn's celestial sea: Catch these 'water' constellations in the night sky this fall : Read more