Researchers say the surprising discovery of the faraway galaxy MXDFz4.4 could help explain how the cosmos went from opaque to ...

A new Hubble image offers a detailed look at Messier 88, a spiral galaxy in the Virgo Cluster whose core is powered by a supermassive black hole.

A pair of interacting galaxies called Arp-Madore 608-333 have been observed using the Hubble Space Telescope. Credit: ...

X-ray observations of the cluster revealed that it is made up of two galaxy clusters merging along our line of sight.

To celebrate its fourth anniversary, NASA’s James Webb Space Telescope has pierced through the thick blankets of cosmic dust that once obscured the chaotic inner workings of Centaurus A, an active ...

Far beyond the Milky Way, vast collections of galaxies continue to drift, gather and occasionally collide. One such region ...

NASA offers a simple way to see which stunning celestial image the Hubble Space Telescope captured on your birthday.

For nearly a century, astronomers have known that the universe is expanding. In the late 1990s, two independent teams, the ...

Since it launched into space on April 24, 1990, the Hubble Space Telescope has been an invaluable instrument to astronomers in unraveling the mysteries of the universe. As it orbits the Earth from 340 ...

Earlier visible-light observations by NASA's Hubble Space Telescope could not show the galaxy's central region because dust ...

The images shed light on the galaxy’s past and star clusters that other telescopes couldn’t in what the astronomers are ...