In a groundbreaking discovery beyond Pluto, scientists have detected a small celestial body that could alter our perception ...

Is there a massive undiscovered planet on the outer reaches of the Solar System? The idea has been around since before the ...

A curious, icy and distant object has just been discovered far beyond Pluto. Nicknamed Ammonite, it intrigues astronomers ...

Uncover fascinating and lesser-known facts about our solar system! Discover why you can't stand on Uranus, which moon has ...

A tiny object far beyond Pluto, newly discovered by the Subaru Telescope, could reshape our understanding of the early Solar System. Named 2023 KQ14, this rare “sednoid” follows an unusual orbit that ...

The orbit of Ammonite (red line) and the orbits of the other three sednoids (white lines). Ammonite was discovered close to its perihelion, at a distance of 71 astronomical units (71 times the average ...

Since 2017, three interstellar objects have been spotted passing through our solar system: 1I/ʻOumuamua, 2I/Borisov… and just ...

Prior to this our pictures, even with the Hubble telescope, have been of this sort of greenish, mushy pea. And now we can see craters and dark patches over the surface," Dr. Walkowicz said.

Summary "Orbiting at the edge of the outer Solar System, Pluto is an intriguing object in astronomy. Since the fascinating events surrounding its discovery, it has helped increase our understanding of ...

But are these really "planets," or was Pluto merely the first discovery of an entirely new class of objects? In 2006, the International Astronomical Union, the gatekeepers of astronomical nomenclature ...