A dwarf galaxy just might upend the Milky Way’s predicted demise
The Large Magellanic Cloud could prevent a smashup between the Milky Way and Andromeda

There’s about a 50 percent chance that the Milky Way and Andromeda Galaxy will merge into a single giant galaxy, dubbed Milkomeda, in the next 10 billion years, a new analysis shows.
B. Whitmore/STScI, the Hubble Heritage Project, NASA, ESA