Just like there are 50 U.S. states, each with well-defined boundaries, 88 bounded constellations dot the celestial sphere. Of these about 55 of them are visible from mid-northern latitudes and 59 from ...

This photo features the bright, pentagonal constellation Auriga the Charioteer, which is visible in the northeastern sky at nightfall in early January. It's one of 88 constellations in the National ...

If you look at any star atlas published before 1930, you will see what appear to be random lines defining the constellations. Before this date, constellation boundaries had not been formalized. Modern ...

Dive into the mesmerizing world of constellations with our latest video! Dive into the mesmerizing world of constellations with our latest video! Since prehistoric times, people have used ...

The swirling spiral galaxy in this NASA/ESA Hubble Space Telescope image is NGC 3285B, which resides 137 million light-years away in the constellation Hydra (the Water Snake). Hydra has the largest ...

Add Yahoo as a preferred source to see more of our stories on Google. If you look at any star atlas published before 1930, you will see what appear to be random lines defining the constellations.