The discovery of CDG-2 began when a team of astronomers investigated tight groupings of stars called globular clusters, which ...

A family portrait of the Andromeda galaxy and its orbiting dwarf satellites raises questions about how galaxies evolve.

Researchers analyzed images of CDG-2 from NASA 's Hubble Space Telescope, the European Space Agency's Euclid space observatory, and the Japanese Subaru Telescope in Hawaii. At first glance, they saw ...

In the vast tapestry of the universe, most galaxies shine brightly across cosmic time and space. Yet a rare class of galaxies ...

The Hubble and Chandra space telescopes are hunting for rogue black holes wandering through dwarf galaxies, which could provide a fossil record of how supermassive black hole growth in the early ...

The Triangulum Galaxy, the third-largest member of the Local Group of galaxies, is shining with star formation in a new image from the Hubble Space Telescope. When you purchase through links on our ...