Only 0.1% of this galaxy is made of matter; the other 99% is unknown to humanity. Researchers: Dark matter accounts for ...

Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

Computer algorithms can model the universe, matching simulations to observations and revealing the distribution of dark ...

In some galaxies, large amounts of interstellar gas are spiralling around the super massive black hole and getting pulled in ...

Quasars are the most luminous type of active galaxy. They emit light across the electromagnetic spectrum, produce powerful ...

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

Astronomers have discovered a giant radio galaxy with plasma jets stretching an incredible 3.3 million light-years—32 times ...

They circle their galaxy of origin on giant currents that ... nine distant quasars -- ultra-bright sources of light in the cosmos -- is affected by the circumgalactic medium of 11 star-forming ...

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A new way to study 3D maps of galaxies in the cosmos without compressing the data ... Back in the old days, astronomers would conduct galaxy surveys by taking deep space images on photographic ...