"Why do they have the same rotation? They must have a connection with each other — that would be a very strong question that ...

A breathtaking galactic collision in Stephan's Quintet has been observed, in which five galaxies collide at two million mph, ...

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Prior to this discovery, made as part of the James Webb Space Telescope's (JWST's) Galactic Legacy Infrared Midplane Survey ...

A new astronomical instrument has had its first outing observing the velocities of colliding galaxies in the famous Stephan’s ...

Black holes don't have many identifying features. They come in one color (black) and one shape (spherical). The main ...

Astronomers have spotted a trio of supermassive galaxies that were already fully formed in the first billion years of the ...

In interacting spiral galaxies, this gravitational turmoil also disrupts the ordered paths of their spiral arms. After enough ...

As the name suggests, dark matter neither reflects ... between the fainter galaxies and the brighter galaxies - as determined by their luminosity functions. This should correspond to the billion ...