Total eclipse of the moon on April 4!

Western North America will see the total eclipse before dawn April 4. Eastern Asia, Indonesia, New Zealand and Australia see it on the evening of April 4.

How often do we have a Blue Moon?

How often do we have a Blue Moon in July? For the answer, you have to look to a concept from astronomy and calendar studies, at what's called the Metonic cycle.

Blue Moon – second July full moon – on July 31

This July 31 full moon counts as extra special because it's a Blue Moon - the second of two full moons to occur in a single calendar month.

Orion returns

Orion has been called "the ghost of the shimmering summer dawn." The Hunter rises on his side, with his three Belt stars pointing straight up.

In 2014, Ramadan begins June 29 with crescent moon sighting

Ramadan, for observant Muslims, is a time of fasting, prayer and charitable giving.

Night sky as Milky Way and Andromeda galaxies merge

As seen on Cosmos ... the collision and merger between our Milky Way galaxy and the nearby Andromeda galaxy 4 billion years from now.

Impress your Valentine with these February full moon names

Wolf Moon, Snow Moon, Hunger Moon and more names for February's full moon in this post. Star near the moon is Regulus.

Time to look for Mira the Wonderful, a famous variable star

Around August of 2013, look for the star known as Mira the Wonderful. It's a famous variable star in the constellation Cetus the Whale.

Waxing moon lights up Cancer the Crab on March 22

Use the moon to locate the constellation Cancer tonight, and in late March and early April, use key stars to star-hop to Cancer in a dark sky.

Moon between Pleiades and Head of Aries on March 15

Tonight’s moon lies between the head of the Ram in the constellation Aries and the Pleiades star cluster.