An article just published in the journal “Nature” describes the discovery of mysterious ripples across the disk of dust surrounding the star AU Microscopii, or AU Mic. Through SPHERE, an instrument mounted on ESO’s Very Large Telescope, a team led by Anthony Boccaletti, LESIA (Observatoire de Paris/CNRS/UPMC/Paris-Diderot), France, discovered these structures never seen before and yet to be explained.