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NASA space telescope sees interstellar visitor comet 3I/ATLAS flare up while exiting the solar system

New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened ...
Live Science

Every major galaxy is speeding away from the Milky Way, except one — and we finally know why

A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...