Cosmic

 

Astronomy Picture of the Day: Messier 20 and 21

The beautiful Trifid Nebula, also known as Messier 20, is easy to find with a small telescope in the nebula rich constellation Sagittarius.

Astronomy Picture of the Day: The Pencil Nebula in Red and Blue

This shock wave plows through interstellar space at over 500,000 kilometers per hour.

Astronomy Picture of the Day: Moon, Mars, and Milky Way

Just two weeks ago, dark skies over the desert in northern Iran held this alluring celestial vista.

Astronomy Picture of the Day: Neutrino Associated with Distant Blazar Jet

With equipment frozen deep into ice beneath Earth's South Pole, humanity appears to have discovered a neutrino from far across the universe.

Astronomy Picture of the Day: Rings Around the Ring Nebula

There is much more to the familiar Ring Nebula (M57), however, than can be seen through a small telescope.

Astronomy Picture of the Day: Centaurus A

Only 11 million light-years away, Centaurus A is the closest active galaxy to planet Earth.

Astronomy Picture of the Day: The Extraordinary Spiral in LL Pegasi

What created the strange spiral structure on the upper left?

Astronomy Picture of the Day: Dark Nebulas across Taurus

Sometimes even the dark dust of interstellar space has a serene beauty.

Astronomy Picture of the Day: Galaxy in a Crystal Ball

A small crystal ball seems to hold a whole galaxy in this creative snapshot.

Astronomy Picture of the Day: Pillars of the Eagle Nebula in Infrared

Newborn stars are forming in the Eagle Nebula. Gravitationally contracting in pillars of dense gas and dust, the intense radiation of these newly-formed bright stars is causing surrounding material to boil away.

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