A recent image from the Dark Energy Camera shows an act of galactic cannibalism, with a spiral galaxy similar to our Milky Way about to devour a nearby dwarf galaxy that has wandered into its path.

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Two massive galaxy clusters are slamming into each other, and for once astronomers are not reconstructing the crash from the debris long after the fact. They have caught the system in the act, with ...

An artist’s impression shows the giant spiral galaxy NGC 1365 as it collides and merges with a smaller companion galaxy, stirring up star formation and redistributing gas and heavy elements. Using a ...

The process of galaxy merging reshapes cosmic structure by driving dramatic changes in the distribution and state of interstellar gas, thereby governing the rates and locations of star formation.