Astronomers have discovered the smallest dwarf galaxy ever seen. It is a mystery how the satellite galaxy of Andromeda ...

Andromeda XXXV was still churning out more stars, while stars in the satellite galaxies around the Milky Way mostly only had ...

There is a supermassive black hole at the center of nearly every big galaxy—including ours, the Milky Way (it's called ...

A NASA telescope was launched into space from California on Tuesday for a mission to explore the origins of the universe and ...

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