15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System ... primitive bodies like Kuiper Belt objects, asteroids ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Radiation belts are a normal part of the architecture of a planet with a global magnetic field. Stars are constantly leaking particles, borne by a stellar wind; these stream out and, where they ...

Bright yellow deposits in Consus Crater provide new evidence of Ceres' cryovolcanic history, reigniting the debate over ...

New Solar Composition Ratios That Could Reconcile Longstanding Questions Nov. 12, 2024 — A team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids and comets ...