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The Andromeda Galaxy, shown here with two of its satellite or companion galaxies, is one of few objects in the night sky visible with the unaided eye that's outside our own Milky Way Galaxy. And I do ...

Reaching distant galaxies remains a monumental challenge due to vast interstellar distances, with even the nearest galaxy ...

Discover the science behind the potential impact of Andromeda on Earth. This video explores the likelihood of a collision, ...