Hubble Space Telescope Discovers Clues to ‘Planet Nine’ From a Distant Exoplanet
Scientists believe that a hidden planet 10 times the size of Earth is orbiting from the edge of the solar system.
planet nine
The Man Who ‘Killed Pluto’ May Have Found a Replacement
Initially setting out to disprove the 2014 Planet Nine theory, Mike Brown's findings provide compelling evidence to the contrary.
