A celestial light show illuminates a distant spiral galaxy, where a hidden supernova briefly outshines its stellar neighbors in a new image from the Hubble Space Telescope. The galaxy, called NGC ...

Leist deconvolved simulated and observed images of an active galactic nucleus (AGN), a region at the center of the galaxy NGC 5728. The central engine of an active galactic nucleus, comprised of a hot ...

This can be seen in the new Hubble image, which captures a bright ring around the galaxy’s nucleus. Another possible ...