Galaxy

A newly discovered supercluster of galaxies is so distant that astronomers say its light has been traveling for over 12 billion years to reach telescopes on Earth. But this cluster, named SPT2349 ?56 is gigantic and so old that it is…

Mahalo for supporting Honolulu Star-Advertiser. Enjoy this free story! Special events On July 13, the full moon will take place while the moon is at perigee, the point of the moon’s orbit when it is at…

Things may seem quiet and peaceful in the Andromeda Galaxy when you gaze at it in the sky. However, if you know what to look for, there’s evidence of a violent rumble in this galaxy’s past. That’s the takeaway from research by Ivanna…

This illustration shows the accretion disk, corona (pale, conical swirls above the disk), and supermassive black hole of active galaxy 1ES 1927+654 before its recent flare-up. Credit: NASA/Sonoma State University, Aurore…

In this image, the NASA/ESA Hubble Space Telescope has captured the brilliance of the spiral galaxy NGC 7172. This Hubble image shows NGC 7172, an active spiral galaxy some 110.5 million light-years away in the constellation of Piscis…

This image from NASA’s Galaxy Evolution Explorer shows NGC 6744, one of the galaxies most similar to our Milky Way. (Credit: NASA/JPL-Caltech) A look up at the…

A mysterious, repeating radio signal in the Milky Way that baffled astronomers could be an object so rare, only one other has ever been tentatively identified.According to a paper by astrophysicist Jonathan Katz of Washington University…

Gyrating 70 million light-years from Earth, the glowing blue arms and shiny center of NGC 1566, also called the Spanish Dancer Galaxy, offers researchers insight into the evolution of stars, black holes, and more. It even hosted a recent…

The Universe is full of astronomical wonders, but it’s up to humanity to observe and analyze them.The Large (top right) and Small (lower left) Magellanic Clouds are visible in the southern skies, and helped guide Magellan on his famous…

Using data from ESA’s Gaia spacecraft, astronomers have looked for the remains of ancient dwarf galaxies in the Milky Way’s halo, which surrounds the disk of younger stars and central bulge of older stars that comprise the more…