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

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

Discovered through the Formation of the Outer Solar System: An Icy Legacy (FOSSIL) survey using the Subaru Telescope in ...

A small team led by Sihao Cheng, Martin A. and Helen Chooljian Member in the Institute for Advanced Study's School of Natural Sciences, has discovered an extraordinary trans-Neptunian object (TNO ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist's interpretation of a trans-Neptunian object. | Credit: Artwork: NASA, ESA, and G ...

"This is a big step in understanding the outer solar system," team leader Rosemary Pike from the Center for Astrophysics | ...

A team of astronomers discovered a strange object in the outer solar system that is in a resonant orbit with Neptune.

“Stellar Occultation by the Resonant Trans-Neptunian Object (523764) 2014 WC510 Reveals a Close Binary TNO,” Rodrigo Leiva et al., 2020 Sep. 28, Planetary Science Journal [https://iopscience ...

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 ...

This is an artist's concept of a craggy piece of Solar System debris that belongs to a class of bodies called trans-Neptunian objects (TNOs). Astronomers culling the data archives of NASA's Hubble ...