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

In the dark, icy outskirts of our solar system—far beyond Neptune's orbit—astronomers have discovered a cosmic oddball that ...

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 ...

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

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

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 ...

“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 ...

In a groundbreaking discoverypublished in The Planetary Science Journal, a team of astronomers led by the Center for Astrophysics | Harvard & Smithsonian has confirmed the existence of a rare object ...

A new study from researchers at the Southwest Research Institute has unearthed a fascinating discovery about Arrokoth, a trans-Neptunian object made famous by the New Horizons probe in 2020.

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 ...

Trans-Neptunian Object (TNO): A minor body in the Solar System that orbits the Sun at a greater distance than Neptune. These objects include Kuiper Belt objects, scattered disc objects, and ...