Beyond Neptune's orbit lies a vast, ring-shaped expanse known as the Kuiper Belt. This region, home to countless icy rocks ...

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

The Oort cloud is traditionally thought of as a vast shell of perhaps trillions of icy objects encasing our solar system, serving as the final boundary between us and the dark reaches of interstellar ...

The exact shape of the Oort cloud and how it is affected by forces beyond our solar system have, so far, remained mysterious. Now, researchers have developed a new model that suggests the inner ...

Now, University of Vienna doctoral student Efrem Maconi thinks that our whole Solar System may have passed through this incredible structure. Using data from the European Space Agency’s Gaia telescope ...

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 ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

They're calling them "planetary embryos". When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists believe that two asteroids might be ...

The Oort cloud — the mysterious shell of icy objects at the edge of the solar system — might sport a pair of spiral arms that ...