It's 99 percent dark matter, a new study explains.

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The light from the rare galaxy has challenged conceptions of what the universe would have been like in the early stages.

A rare jellyfish galaxy discovered by JWST is offering clues about how galaxies died in the early universe.

Using the Hubble Space Telescope, astronomers have discovered what seems to be a galaxy that is the most heavily dominated by ...

A newly discovered galaxy with glowing star-filled "tentacles" is rewriting parts of cosmic history.

The studied galaxy existed about 930 million years ago after the Big Bang. Even though this might sound like a long time ago, in universe terms this is not ...

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

New research suggests that the heart of the Milky Way may be dominated by a dense clump of dark matter rather than the ...

How space telescopes capture distant galaxies using infrared imaging, precision optics, and astronomy technology beyond Earth's atmosphere.