A team of astronomers at the University of North Carolina at Chapel Hill has observed an extremely rare "wandering" black hole located tens of thousands of light-years from the center of its galaxy.

The NSF NOIRLab-operated Gemini North telescope captured stunning imagery of galaxies UGC 12914 and UGC 12915, aka 'Taffy ...

Most galaxy collisions do not cause galaxies to stop making new stars. A galaxy’s central black hole and its slow, long-term ...

Cosmic expansion allows distant galaxies to move away faster than light, while still letting us see ancient light they ...

A dramatic collision between the Milky Way and a dwarf galaxy around 10 billion years ago may have completely changed the ...

Astronomers discovered the Milky Way was flipped on its side 10bn years ago after a direct collision with a dwarf galaxy, the ...

Scientists from Florida International University have challenged the well-established theory that galaxy collisions are the ...

The Milky Way may have undergone a dramatic change in orientation during its history, according to new research that helps ...

Artistic illustration of how the Milky Way’s disc may have shifted by more than 90 degrees. The faint outline shows its possible former orientation, while the surrounding stellar halo preserves clues ...

Halo 18 is an example of a galaxy that had a head-on collision (see the panel at z=1.2) and had a disc flip (you can see this by comparing the disc orientation at z=1.4 and z=0). This image and Image ...

Astronomers have found evidence related to the Milky Way’s incident of flipping on its side. Around 10 years ago, the galaxy ...

New research suggests the Milky Way's disc flipped after a head-on collision with Gaia-Sausage-Enceladus. The finding may ...