Astronomers have uncovered an extraordinary celestial phenomenon: a dark nebula resembling a black wolf, casting its shadow ...

A stellar odd couple 700 light-years away is creating a chaotically beautiful display of colorful, gaseous filaments. The Hubble captured the pair, named R Aquarii, and their symbiotic interactions.

One enduring scientific puzzle: the nebula's color palette, a variety of colors from deep red to green and blue-violet. The ...

Because the nebula is nearby ... taken in the light of ionized nitrogen (represented by red), hydrogen (green), and doubly ionized oxygen (blue). This Hubble image reveals the true shape of ...

shows different structural details of the Crab Nebula. The supernova remnant is comprised of several different components, including doubly ionized sulfur (represented in green), warm dust ...

For each proplyd, a small protoplanetary disk is detected in silhouette in the optical image, which is surrounded by a bright ionization front that is produced ... “Some of the objects born in nebulae ...