A potentially huge story is emerging with evidence of a 9th planet lurking in the distant solar system

Caltech s Konstantin Batygin, an assistant professor of planetary science, and Mike Brown, the Richard and Barbara Rosenberg Professor of Planetary Astronomy, discuss new research that provides evidence of a giant planet tracing a bizarre, highly elongated orbit in the outer solar system. Read the Caltech News Story: Learn more about: Mike Brown s research: Konstantin Batygin s res