With the help of some mathematical wizardry borrowed from particle physics -- plus around 30 pages of algebraic calculations, all done by hand -- scientists have laid to rest a 30-year-old mystery ...

In search of a united scientific theory, a new quantum gravity paper might have proposed an interesting aspect that made the ...

Our universe might be really, really big — but finite. Or it might be infinitely big. Both cases, says physicist Brian Greene, are possibilities, but if the latter is true, so is another posit: There ...