New evidence that all stars are born in pairs

InfiniteZero writes: According to the article at phys.org: "Did our sun have a twin when it was born 4.5 billion years ago? Almost certainly yes — though not an identical twin. And so did every other sun-like star in the universe, according to a new analysis by a theoretical physicist from UC Berkeley and a radio astronomer from the Smithsonian Astrophysical Observatory at Harvard University."