Astronomers have uncovered a pair of giant planets that are lighter than cotton candy. The two so-called super-puffs are the size of Jupiter — the biggest worlds found so far to have less density than cotton candy. Astronomers have uncovered a pair of giant planets that are lighter than cotton candy — super-puffs the size of Jupiter. The featherweight pair — orbiting a star 1,110 light-years away — are the biggest exoplanets found to have less density than cott... [1897 chars]