Trans-Neptunian objects (TNO) are some of our solar system's lesser-known objects. They number in the thousands, and they get their name from their orbits. These dwarf planets orbit the sun at a ...

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

Astronomers have discovered a bizarre object in the outer solar system, 2020 VN40, that dances to Neptune’s gravitational beat in a never-before-seen rhythm. It’s the first of its kind, orbiting the ...

An oddly tilted object beyond Neptune moves in perfect sync, one orbit for every ten of Neptune’s, and scientists are ...

There is no danger of 2020 VN 40 colliding with Neptune, as the orbit of this distant world is very inclined with respect to ...

Astronomers have found 2023 KQ14, nicknamed Ammonite, a rare sednoid with a unique orbit that challenges the Planet Nine ...

Its inclined orbit challenges current models of the outer Solar System. Discovered by an international team, this object ...

Astronomers just found a distant space rock called 2020 VN40, orbiting the Sun way out past Neptune. This icy object takes about 164 years to make one lap around the Sun—talk about a long trip! The ...