After defending his PhD thesis on modeling interstellar objects on Monday, June 30, Matthew Hopkins intended to take some ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

A new interstellar object has been spotted careening into the solar system at an extremely unusual, hyperbolic trajectory. If ...

The Minor Planet Center has confirmed the addition of 28 newly discovered moons of Saturn. Saturn now has 117 moons and Jupiter has 95. Corey Powell notes that if we start counting all the chunks in ...

Using data from the union’s Minor Planet Center, the astronomers who discovered the minor planet, which is currently referred to as 2007 OR10, estimate that it is the largest unnamed world in ...

The Minor Planet Center, which tracks the positions of minor planets, comets and space rocks, also received recent reports of observations of the asteroid 2023 BU.

On May 21, the International Astronomical Union's Minor Planet Center announced the discovery of 2017 OF201, which, because of its distance beyond Neptune, is classified as a trans-Neptunian ...

The Minor Planet Center, which tracks the positions of minor planets, comets and space rocks, also received recent reports of observations of the asteroid 2023 BU.

A previously unknown dwarf planet circles through the far reaches of our solar system, the International Astronomical Union’s Minor Planet Center announced Tuesday. Officially designated 2015 ...

Scientists discovered an extremely distant object billions of miles beyond Pluto. The object has an orbit that hints at an even-farther-out “Super-Earth” or larger “Planet X” that could be ...

Discovered on February 11th, 2014 by Mt. Lemmon Survey, Near-Earth Asteroid 2014 CU13, with an estimated diameter of an 80 story building (120-260m) and traveling at 43,173 MPH / 19.31 (km/s)… ...

Another expert, Gareth Williams, associate director of the IAU's Minor Planet Center, said that Pluto is not a planet, citing the official definition, which states that a planet is a celestial ...