The curious minds at What If explore the cataclysmic events and mind-bending consequences of the inevitable galactic ...

Andromeda is on a slow collision course with the Milky Way, and the merger will reshape both galaxies over billions of years.

A new study suggests one of the most significant clashes in the history of the Milky Way, dubbed the ...

The Hubble Space Telescope has discovered evidence that our galaxy experienced a significant collision and merger with a dwarf galaxy 11.8 billion years ago. Mergers between galaxies are one of the ...

Something has been squeezing the life out of Andromeda’s stellar nurseries. A new study using NASA’s Hubble Space Telescope finds that star formation in Andromeda, the great spiral galaxy nearest to ...

Telescopes like the James Webb Space Telescope can now observe distant galaxies as they appeared more than 12 billion years ago. Those observations show us galaxies directly during the same era in ...

Our home galaxy, the Milky Way, grew to its current size in part by consuming smaller galaxies. Now, new data from NASA's Hubble Space Telescope show definitive evidence of a dwarf galaxy merging with ...

An ultra-sensitive camera attached to a giant balloon on Earth has captured light from a mysterious source at the centre of the Milky Way. For more than 50 years, astronomers have sought to understand ...

New images from the James Webb telescope show a galaxy with a trio of supermassive black holes. Two of them appear to be locked in a tight tango.

The Perseids’ peak coincides with another highly anticipated celestial event: a total solar eclipse that will be visible in parts of Europe.