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Nearly every galaxy has a supermassive black hole in its core. Whether the black hole forms first and then the galaxy around it—or the other way around—is still a matter of some debate, but we know ...

T he first time I heard about galaxies without dark matter, I was sitting in my very first graduate class at the University ...

Astronomers know that mergers play a huge role in galaxy growth. Right now, the Milky Way is slowly consuming the Large and Small Magellanic Clouds. The evidence is a stream of gas called the ...

Add Yahoo as a preferred source to see more of our stories on Google. As a science communicator, I don’t think a week goes by without a press release hitting my inbox informing me of astronomers ...

In the vast tapestry of the universe, most galaxies shine brightly across cosmic time and space. Yet a rare class of galaxies remains nearly invisible—low-surface-brightness galaxies dominated by dark ...

A new, nearly invisible galaxy made up almost entirely of dark matter has been discovered. The rare galaxy, named Candidate Dark Galaxy-2 or CDG-2, was recently discovered using the Hubble Space ...