Stellar-mass black holes can be found anywhere in a galaxy, but the really big ones (known as supermassive black holes) are ...

This spiral galaxy IC 2163 by NASA’s Hubble Space Telescope’s ultraviolet- and visible-light view appears white at the center ...

New observations suggest that the universe’s oldest galaxies are brighter than expected. Here's why this may be a big deal.

“The discovery meant that these galaxies [had to be] older than the age of the universe, which is physically impossible,” ...

This image, captured by the NASA/ESA Hubble Space Telescope, shows GAL-CLUS-022058s, located in the Fornax constellation of the southern hemisphere. This image, known as the Hubble eXtreme Deep Field ...

Everything we thought we knew about galaxy formation was thrown into question in the 1990s after astronomers discovered two distant, massive galaxies ...

The James Webb Space Telescope (JWST) is a large, complex observatory that studies the universe in infrared light, which is ...

The National Institute for Astrophysics (INAF) has released images of five galaxies in the local universe, taken with the ...

New research reveals how supermassive black holes halt star formation, shedding light on galaxy evolution in the early ...

Hubble Space TelescopeHomeHubble Takes a Look at Tangled… Hubble Space Telescope Hubble HomeOverviewAbout HubbleThe History ...

ANSWER: Very big!! The Milky Way Galaxy is one of billions of galaxies in the known universe. The Milky Way is a spiral ...

A recently shared image of a distant galaxy surrounded by three concentric rings challenges our understanding of galactic ...