They are not alive -- but they are dying.

These cosmic dust clouds drift some 1,300 light-years away along the fertile starfields of the constellation Cepheus.

What's the magnetic field like in the center of our Milky Way Galaxy?

What's the magnetic field like in the center of our Milky Way Galaxy?

Is there a waterfall in Orion? No, but some of the dust in M43 appears similar to a waterfall on Earth.

The brief flash of a bright Perseid meteor streaks across the upper right in this composited series of exposures made early Sunday morning near the peak of the annual Perseid meteor shower.

A darkened and mysterious north polar region known to some as Mordor Macula caps this premier high-resolution view.

Do underground oceans vent through the tiger stripes on Saturn's moon Enceladus?

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

Why is AE Aurigae called the flaming star?