Dwarf galaxies—with a mass equal to about a billion suns, but often considerably less—are the most abundant in the universe.

Neutrinos play a key role in our current models of supernovae, and right now, those models don’t take into account one of neutrinos’ most striking features: their ability to change identity. We’ve ...

The former Versace designer is set to open a new aesthetic era at one of Giorgio Armani’s biggest lines. The appointment marks the Italian fashion empire’s first creative shake-up since its founding.