For Halloween, the European Southern Observatory (ESO) reveals a spooktacular image of a dark nebula that creates the illusion of a wolf-like silhouette against a colourful cosmic backdrop.

ESO has released the most detailed view to date of the ominous Lupus 3 dark nebula, one of the closest star formation regions to our Sun. Lupus 3 is located roughly 600 light-years from Earth, and ...