Science News
Planet Nine
January 29, 2016
Astronomers have evidence of a ninth planet in our solar system.
Related science news
Simulations reveal that our planetary system had a violent past, when giant planets changed their orbits.
Plant Nine is in our midst (or at least in the outer reaches of the Solar System), plus two more space tidbits.
Spaceflight, crashing into Mercury, pictures of Pluto, visualizing nebulae, and X-rays from zombie stars