A family portrait of the Andromeda galaxy and its orbiting dwarf satellites raises questions about how galaxies evolve.
NASA’s Hubble Space Telescope has identified 36 dwarf galaxies orbiting the Andromeda Galaxy. The images were compiled over ...
The "Cosmic Horseshoe" is an Einstein ring, a system made up of a foreground galaxy whose mass is so great, it warps the ...
The findings it beams back to Earth during its two-year mission could help astronomers solve age-old mysteries, including how ...
A new image from the Hubble Space Telescope shows one of the most famous and beautiful objects in the night sky.
Astrophysicists at UCLA suggest decaying dark matter may drive processes leading to the formation supermassive black holes.