For decades, our solar system seemed neatly wrapped up with eight planets circling the Sun like a cosmic waltz. But deep in the icy reaches beyond Neptune, a celestial puzzle has astronomers scratching their heads. Could there be a ninth ...
Planet 9 has stirred quite the buzz back in 2016. Astronomers discovered it just at the far edges of our solar system, beyond Neptune. Recently, researchers have found no proof of trans-Neptunian cosmic feature clustering as part of an attempt ...