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Saturn now rises before midnight in planet Earth\’s sky. On July 24, the naked-eye planet was in close conjunction, close […]

From our vantage point in the Milky Way Galaxy, we see NGC 6946 face-on. The big, beautiful spiral galaxy is

These cosmic clouds have blossomed 1,300 light-years away in the fertile starfields of the constellation Cepheus. Called the Iris Nebula,

Our Moon doesn\’t really have craters this big. Earth\’s Moon, Luna, also doesn\’t naturally show this spikey texture, and its

What powers the Crab Nebula? A city-sized magnetized neutron star spinning around 30 times a second. Known as the Crab

Sometimes the dark dust of interstellar space has an angular elegance. Such is the case toward the far-south constellation of