Kuiper Belt Object
More Bodies Discovered in the Outer Solar System
The outer Solar System has been a treasure trove of discoveries in recent decades. Using ground-based telescopes, astronomers have identified…
The Kuiper Belt is Much Bigger Than We Thought
NASA’s New Horizons spacecraft is just over 8.8 billion km away, exploring the Kuiper Belt. This icy belt surrounds the…
There Might Be an Entire Orbit, Filled with Asteroids that Came from Outside the Solar System
Some asteroids orbit the Sun in highly inclined orbits, and they might be aliens to our solar system.
NASA Thinks it’s Time to Return to Neptune With its Trident Mission
Is it time to head back to Neptune and its moon Triton? It might be. After all, we have some…
New Horizons is so Far From Earth That the Positions of the Stars Look a Little Different From its Perspective
From its current position in the Kuiper Belt, the New Horizons spacecraft recently conducted a parallax experiment that is not…
Maybe the Elusive Planet 9 Doesn’t Exist After All
Oh Planet Nine, when will you stop toying with us? Whether you call it Planet Nine, Planet X, the Perturber,…
New Horizon’s Flyby Target 2014 MU69 Gets its Official Name: Arrokoth
The KBO formerly known as Ultima Thule (2014 MU69) has officially been named "Arrokoth", the traditional Powhatan-Algonquin language.
Now You Can See MU69 in Thrilling 3D
The New Horizons team has released new images that take advantage of the "binocular effect" to create 3D impressions of…
Pluto and Charon Don’t Have Enough Small Craters
The New Horizons team just shared new findings about the lack of small craters on Pluto and Charon's surface, which…
More Evidence that Planet 9 is Really Out There
What's going on in the distant reaches of our Solar System? Is there a Planet 9 out there? Out in…