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, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The Perseus galaxy cluster taken by the Subaru Telescope at the Mauna Kea Observatory in Hawaii.

"All the odd shapes and swirling gas observed in the Perseus cluster now make sense," said astronomer James Lee.

Astronomers have detected a ghostly galaxy that is almost completely made of dark matter. The faint object was revealed by just four globular star clusters hiding in the Perseus cluster.

You know that feeling when you find something hiding right where you’ve been looking all along? Astronomers just had that moment on a cosmic scale. A galaxy so faint, so nearly invisible that no one ...

The Perseus cluster is a vast swirl of thousands of galaxies, all bound together by gravity. Famed for its unbelievable size — containing the mass of some 600 trillion suns — it also has a reputation ...

Data sonification from NASA missions provides a new method to enjoy an arrangement of cosmic objects. These data sonifications translate information collected by various NASA missions — such as the ...

CC0 Usage Conditions ApplyClick for more information. Winter often brings many intense and powerful storms, with cold fronts sweeping across many parts of the globe. There are, however, even bigger ...

Astronomers thought the Perseus cluster was a massive-but-stable grouping of galaxies, until they found hints of a collision with another cluster — but no one had identified a cosmic interloper. Now, ...