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

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 ...

For lovers of newly identified space objects, July has indeed been an exciting month. Last week, astronomers described ...

Astronomers have discovered a bizarre object in the outer solar system, 2020 VN40, that dances to Neptune’s gravitational ...

Astronomers have discovered "Ammonite," a mysterious object on the solar system’s edge whose unusual orbit challenges current ...

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

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

Harvard & Smithsonian has discovered a rare object far beyond Neptune, from a class known as trans-Neptunian objects, th ...

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

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

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