Astronomers have completed the most comprehensive census of active galactic nuclei (AGN) to date, providing the clearest ...

This understanding changed when Dikerby and his team pointed XRISM toward a large gas cloud near the galactic center.

The supermassive black hole sitting at the heart of our galaxy is considered to be a slumbering giant. However, an ...

For every galaxy that's visible from Earth, there are nine smaller ones that we can't see, even with all the technology we've ...

Astronomers using the Keck Observatory have discovered a massive 'wobbling' jet in galaxy VV 340a that is actively stripping ...

Researchers are astounded by a young galaxy cluster, SPT2349-56, found to be hotter than the sun's surface, challenging existing theories on galaxy evolution.

'This galaxy was developing bars 2 billion years after the birth of the universe,' says a researcher.

A Canadian-led team of researchers has discovered a 'baby' galaxy cluster in the early universe surrounded by gas far hotter ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Astronomers have long puzzled over how some massive galaxies stop forming stars and remain dormant for billions of years—even ...

Astronomers at the W. M. Keck Observatory on Maunakea discovered clear evidence that a supermassive black hole can reshape a ...

Mathematical quirks of our universe have led some cosmologists to wonder whether the cosmos was actually born in a black hole. Parallels in the physics of the universe and that of black holes have led ...