The search for the elusive phantom planet continues.
The planet could be about the size of Mars and much closer than Planet Nine.
After 852 days of exploration, NASA’s New Horizons is taking a break.
Space exploration has come a long way since the first primitive satellites—we’ve visited all the canonical planets, and laid the groundwork for the next stage of discovery and colonization. A new, more lasting space race is about to begin. Here’s the second part of our 100-year forecast of future space exploration.
The truth is out there...
It's like no other space rock on Earth.
The tiny planet is the 18th largest object located in the Kuiper Belt.
The discovery could help us understand more about dwarf planets in our Solar System.
Thousands of objects exist in the Kuiper Belt, including possible planets. And we're on our way there.
The mysterious giant's gravity could be what's causing the perturbations.
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