Mystery planet? New evidence suggests huge 9th planet in solar system

FILE - Artist's concept of a hypothetical planet orbiting far from the Sun. Researchers at the California Institute of Technology (Caltech) have found new evidence that further suggests there is a ninth planet in our solar system. Nicknamed "Planet Nine," researchers said that the most recent data shows something big is able to pull objects from outer space toward our sun and these objects occasionally cross Neptune’s line of orbit. The most plausible explanation, according to some researchers, is that …