Astronomers have discovered rare object in the outer solar system, called 2020 VN40, that is moving in resonance with Neptune ...

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

An icy object in perfect sync with Neptune reveals new details about planetary migration and unseen bodies far beyond the Kuiper Belt.

This object is the first confirmed body that orbits the sun once for every ten orbits Neptune completes.

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

Tucson's Planetary Science Institute contributes to tracking mystery space objects that help reveal secrets of the solar ...

Astronomers have made an extraordinary discovery at the outer edge of our solar system—a strange space rock that dances in perfect rhythm with Neptune. The object, named 2020 VN40, is part of a group ...

This week, astronomers using the ALMA telescope have made a landmark discovery in the search for the cosmic "seeds of life." ...