Tiny rogue planet is the smallest free-floating exoplanet candidate yet Space.comAn Earth-size planet is careening untethered through the galaxy, scientists find Live ScienceAn Earth-sized rogue planet discovered in the Milky Way Phys.orgA Rogue Mars-Sized Planet Is Hurtling Through Our Galaxy VICEMars-sized rogue planet found drifting through the Milky Way UPI NewsView Full Coverage on Google News