Astronomy Picture of the Day: Mars in the Loop

This composite of images spaced some 5 to 9 days apart, from late April (bottom right) through November 5 (top left), traces the retrograde motion of ruddy-colored Mars through planet Earth's night sky.

Astronomy Picture of the Day: NGC 6188: The Dragons of Ara

Dark shapes with bright edges winging their way through dusty NGC 6188 are tens of light-years long.

Astronomy Picture of the Day: NGC 1499: The California Nebula

There's even a California in space. Drifting through the Orion Arm of the spiral Milky Way Galaxy, this cosmic cloud by chance echoes the outline of California on the west coast of the United States.

Astronomy Picture of the Day: IC 4592: The Blue Horsehead Reflection Nebula

Do you see the horse's head? What you are seeing is not the famous Horsehead nebula toward Orion but rather a fainter nebula that only takes on a familiar form with deeper imaging.

Astronomy Picture of the Day: Flying Saucer Crash Lands in Utah Desert

A flying saucer from outer space crash-landed in the Utah desert after being tracked by radar and chased by helicopters.

Astronomy Picture of the Day: Lunar LOVE

A more creative search by a group of amateur astronomers in the Ehime Prefecture of Shikoku Island, Japan has found lunar L-O-V-E.

Astronomy Picture of the Day: Cygnus Shell Supernova Remnant W63

The ghost of a long-dead star, the W63 supernova remnant shines like a faint cosmic smoke-ring along the plane of the Milky Way galaxy toward the northern constellation Cygnus the swan.

Astronomy Picture of the Day: Hayabusa2 Ascends from Asteroid Ryugu

Will spacecraft Hayabusa2 be able to land safely on asteroid Ryugu?

Astronomy Picture of the Day: R Leporis: A Vampire's Star

Better known as Hind's Crimson Star, R Leporis is a rare star in planet Earth's night sky. It's also a shocking shade of red.

Astronomy Picture of the Day: Orionids Meteors over Inner Mongolia

Meteors have been shooting out from the constellation of Orion. This was expected, as October is the time of year for the Orionids Meteor Shower.

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