For nearly a century, astronomers have known that the universe is expanding. Most galaxies are carried outward with the flow of space itself. Yet one stubborn exception has lingered in our cosmic ...

The Milky Way’s matter has been imported from other systems, its last major merger happened far more recently than expected, its future with Andromeda is no longer guaranteed, and its structure and ...

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Four billion years from now, the Milky Way galaxy as we know it will cease to exist. Our Milky Way is bound for a head-on collision with the similar-sized Andromeda galaxy, researchers announced today ...

Astronomers may have finally put a number on one of our galaxy’s slipperiest questions: where the Milky Way’s physical boundary really ends.

HILO (HawaiiNewsNow) - What happens when two galaxies collide? A Hilo astronomer is helping answer that question and predict the future of the Milky Way. Dr. Pierre Martin and his team created an ...

Computer simulations carried out by astronomers from the University of Groningen in collaboration with researchers from Germany, France and Sweden show that most of the (dark) matter beyond the Local ...