Watch: Record 1,284 planets added to list of worlds beyond solar system

Astronomers have discovered 1,284 more planets beyond our solar system, with nine possibly in orbits suitable for surface water that could bolster the prospects of supporting life, scientists said. The announcement brings the total number of confirmed planets outside the solar system to 3,264. Called exoplanets, the bulk were detected by NASA's Kepler space telescope, which searched for habitable planets like Earth.