The Hubble eXtreme Deep Field (XDF) is the deepest image of the Universe, created from a decade of observations in the Fornax constellation. Hubble captured the massive galaxy cluster MACS ...

In this NASA/ESA Hubble Space Telescope image, Hubble once again lifts the veil on a famous—and frequently photographed—supernova remnant: the Veil Nebula. The remnant of a star roughly 20 ...

TL;DR: NASA and the European Space Agency have released an image of a supernova remnant, which is about 20 times the mass of the Sun. The corpse of a dead star approximately 20 times the size of ...

Space agencies like NASA have sent high-definition telescopes ... atmosphere of planets orbiting stars. The Cassiopeia A supernova remnant captured in this image looks like a giant blue donut.