- Our solar system got a little bit smaller in 2006, when Pluto lost its designation as a planet. Now, it turns out our planetary count may be even higher than previously thought.
- A new study from researchers at the University of Arizona’s Lunar and Planetary Laboratory revealed the possible existence of a previously undiscovered “planetary mass object” at the edge of our solar system.
- The potential
planet is predicted to have a mass somewhere between Mars and Earth. Read more (6/23/17)