For decades, scientists have theorized that the Milky Way Galaxy’s supermassive black hole, known as Sagittarius A* (Sgr A*), ...

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

Astronomers propose that an ultra-dense clump of exotic dark matter could be masquerading as the powerful object thought to ...

Chandra X-ray Observatory and X-ray Polarimetry Explorer (IXPE) imagery of the Milky Way's core and supermassive black hole Sagittarius A* has been sonified by SYSTEM Sounds. Credit: ...

There's no denying that something massive lurks at the heart of the Milky Way galaxy, but a new study asks whether a ...

At the center of our galaxy, something incredibly heavy is pulling the strings. Stars ...

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile have discovered "signs of a ‘hot spot’ ...

Sagittarius A* may be a dense dark matter core instead of a black hole, offering a new explanation for the Milky Way’s central gravity.

Researchers from Columbia University and Breakthrough Listen, a scientific research program aimed at finding evidence of ...

Previous observations of stars whipping around an unseen mass—especially a bright star called S2—have pointed to an object ...

If the pulsar is confirmed, it could enable more precise measurements of the space-time around the galaxy’s central supermassive black hole ...

Supermassive black hole binaries form naturally when galaxies merge, but scientists have only confidently observed a very few of these systems that are widely separated. Black hole binaries that ...