Add Yahoo as a preferred source to see more of our stories on Google. CDG-2 in the Perseus cluster was found through four globular clusters and a faint glow seen by Hubble and Euclid. (CREDIT: NASA, ...
Astronomers have spotted an unexpectedly hot galaxy cluster in the early universe that's challenging theories of galactic evolution. The scorching cluster existed just 1.4 billion years after the Big ...
Astronomers working with the Hubble Space Telescope have identified a nearly invisible galaxy in the Perseus Cluster that appears to consist almost entirely of dark matter. Designated Candidate Dark ...