planetary nebula

New image of a gaseous space nebula reveals tens of thousands of giant comet-like knots raining down.

M87 found to be missing part of star halo and on a galactic collision course.

The Hubble Space Telescope has spied a picturesque nebula with its camera eye.

Planets or companion stars could shape planetary nebulae around dying stars.

The heart of one of the Milky Way galaxy's most massive star clusters harbors as many as five pinwheels, a strange and relatively newly discovered type of stellar object, astronomers say.

Few objects in the sky have more magnetic personalities than planetary nebulas. And therein lies a clue to their origin.