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 ...

KQ14, nicknamed "Ammonite", was discovered using the Subaru Telescope and is a highly elliptical object with a perihelion and ...

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

For lovers of newly identified space objects, July has indeed been an exciting month. Last week, astronomers described Ammonite, a potential dwarf planet beyond Pluto. Yesterday, astronomers announced ...

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 ...

There is no danger of 2020 VN 40 colliding with Neptune, as the orbit of this distant world is very inclined with respect to ...

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

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

Learn more about a sednoid called Ammonite that has been detected in the outer reaches of the Solar System.

A team of astronomers led by the Center for Astrophysics | Harvard & Smithsonian has discovered a rare object far beyond Neptune, from a class known ...