This NASA/ESA Hubble Space Telescope image features a dusty yet sparkling scene from one of the Milky Way’s satellite galaxies, the Large Magellanic Cloud. The Large Magellanic Cloud is a dwarf ...

To Hubble's astonishment, he found this star, and others like it, were tremendously distant — and thus belonged to an entirely different galaxy separated from ours by a vast gulf of space.

Measuring a galaxy’s brightness or apparent size is not a good guide to its distance. Hubble leveraged a discovery made by Henrietta Swan Leavitt 10 years earlier. She worked at the Harvard ...

A cosmic bullseye has been recorded by NASA's Hubble Space Telescope! The “arrow”—a much smaller blue dwarf galaxy—shot through the center of the enormous galaxy LEDA 1313424, causing it ...