As the name suggests, Monoceros means this creature in Greek.
Unicorn
The only zodiac sign constellation that does not symbolize a living creature.
Libra
The constellation Centaurus contains this star system, the nearest to us.
Alpha Centauri (note that Proxima Centauri is likely part of a triple star system with Alpha Centauri A and B)
Ursa Major which served as a pointer to north direction for millennia has this well-recognized asterism that can also be found on Alaska's flag.
Big Dipper (or) Plough
This constellation is home not only to the asterism called the Northern Cross but also to a binary star that is the first object widely held to be a black hole.
Cygnus
The myth of the constellation Sagitta is that it is the arrow that Hercules used to kill the eagle which gnawed on this chained Titan's liver.
Prometheus
Taurus contains this asterism that has associated myths in many cultures; also a term for a group of academic institutions in the United States.
Pleiades (or) Seven Sisters
The International Astronomical Union recognizes these many constellations, the same number as the keys on a standard piano.
88
The Beehive Cluster, popular with amateur astronomers, lies at this heart of the constellation which is also one of the signs of the zodiac. Its myth association is that of a creature that bit Hercules when he was fighting the Hydra.
Cancer
The constellations Lepus and Lupus are Latin for these creatures respectively.
Hare and wolf
The two brightest stars in this constellation are Castor and Pollux.
Gemini
The second largest constellation and the largest within the signs of the zodiac.
Virgo
Corona Australis meaning "southern crown" has this counterpart in the northern hemisphere.
Corona Borealis
Canis Major contains this star, the brightest in the night sky.
Sirius (dog star)
The current set of constellations recognized by the International Astronomical Union has its basis in a list in Almagest written in the 2nd century by this Greek.
Ptolemy
The largest of all constellations, it is associated with the many-headed monster killed by Hercules in his labors.
Hydra
Aquila represents the eagle that carried these belongings of Zeus/Jupiter.
Thunderbolts
The dragon Ladon from Greek myth that Hercules slays in one of his labors is the myth equivalent of this constellation. Also the namesake of a character in the Harry Potter universe played on screen by Tom Felton.
Draco
Pavo, Grus, Phoenix and Tucana collectively known as the "Southern Birds" represent these birds respectively.
Peacock, crane, phoenix and toucan
Sagittarius is usually depicted as this mythical creature drawing a bow.
Centaur
Canis Major and Canis Minor are usually represented as following this constellation as faithful pets.
Orion
Not surprisingly, this constellation named for a lady of Greek myth who is rescued by Perseus contains the closest galaxy to the Milky Way.
Andromeda
Rigel and Betelgeuse are the brightest stars of this notable constellation that is referenced in several works of fiction and entities including a (defunct) film distribution company that had releases like Amadeus, Platoon, Dances with Wolves, and The Silence of the Lambs.
Orion
The mane and shoulders of this constellation form an asterism known as "the Sickle."
Leo
The five major stars of the constellation Cassiopeia, named for the mother of Andromeda, are said to form these letter shapes depending on how you look at them.
M (or) W
The only constellation named for a man-made object is this, also the name of a society in which members are said to have an high IQ.
Mensa (table)
Aries represents the ram whose possession was the goal of this person's quest in a famous Greek myth.
Jason (Golden Fleece)
Better known of name of the smallest constellation in the zodiac which is represented by a goat.
Capricorn
Carina, Puppis, and Vela represent the keel, the deck, and the sails of this mythical ship.
Argo
One of the constellations in the zodiac, its name is Latin for "water carrier." It is also the namesake of an 'age' which will dawn in 2597 AD.
Aquarius
Ursa Minor is notable as the location of the north celestial pole and contains this notable star.
Polaris
This is the unique feature of the constellation Serpens that has two parts called Serpent's Head and Serpent's Tail.
Non-contiguous (separated by the constellation of Ophiuchus, the "Serpent-Bearer").
Octans contains this imaginary reference point of the heavens; if it did contain a reference star, that star would be the equivalent of Polaris of its northern counterpart.
South celestial pole
Crux, the smallest of all constellations, has a cross-shaped asterism that finds its place on several flags of countries below the equator. The more recognized name of Crux is this.
Southern Cross
Apus in the southern sky means "no feet" and represents this avian species found on New Guinea that was once thought to lack feet.
Bird-of-paradise