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

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

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

According to study co-author Dr Fumi Yoshida, Neptune is the only known massive object near the outer Solar System that could ...

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

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

The other object is 2014 NX 65, which is definitely not resonant with Uranus but might have an inner 3:2 resonance with ...

SCOTS may be able to catch a glimpse of Pluto this week as it reaches peak brightness. The dwarf planet is set to be at its ...

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 ...

A stronomers have discovered an incredibly rare non-planetary body lurking on the outer reaches of the Solar System, which ...

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday morning (July 21).