Constellations are groupings of stars that, when viewed from Earth, form distinct shapes. Constellations have been around since the dawn of recorded history. In this section you will learn all about constellations and their histories.

Leo (constellation)

Leo, a constellation and the fifth sign of the zodiac. The name means The Lion. Leo is bordered on the north by Leo Minor and Ursa Major, on the east by Cancer, on the south by Crater and Sextans, and on the west by Coma Berenices and Virgo.

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  • Aquarius


    Aquarius, a constellation and the 11th sign of the zodiac. The name means "water bearer." Aquarius contains no particularly bright or noteworthy stars. See more »

  • Aquila


    Aquila, a constellation visible from the Northern Hemisphere. The name means "eagle." The Great Rift of the Milky Way (a dark area in the bright band of stars) passes through Aquila. See more »

  • Aries


    Aries, a constellation and the first sign of the zodiac. The name means "The Ram." Aries is a small constellation that contains no noteworthy stars. See more »

  • Auriga


    Auriga, a constellation in the northern celestial hemisphere. The name means "The Charioteer." Capella, the brightest star in Auriga, is the sixth brightest star in the night sky. See more »

  • Bootes


    Botes, a constellation seen in the evening skies between March and September. It rises in the northeast and sets in the northwest. See more »

  • Cancer


    Cancer, a constellation and the fourth sign of the zodiac. Cancer is the Latin name for crab; presumably, the unknown person who named it thought the constellation resembled that animal in shape. See more »

  • Canis Major

    Canis Major

    Canis Major, a constellation of the winter sky. Sirius, the brightest star in the sky, is in this constellation. See more »

  • Capricornus


    Capricornus, a constellation of the Southern Hemisphere. It is between Sagittarius and Aquarius and is the tenth sign of the zodiac. See more »

  • Cassiopeia


    Cassiopeia, in Greek legend, an Ethiopian queen. She was the wife of Cepheus and the mother of Andromeda. See more »

  • Centaurus


    Centaurus, a southern constellation. It is named for the centaur, a creature from Greek mythology. See more »

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