The dwarf planet’s ring makes astronomers question whether a long-held theory about ring and moon formation needs tweaking.
Models show that several puzzling features about Ceres’ topography, gravity anomalies, and crater size distribution may be explained by asymmetric hemispherical convection due to radiogenic heating.
Geologically young regions of Pluto’s southern hemisphere were likely resurfaced by cryovolcanism, data from the New Horizons spacecraft reveal.
Unprecedented global climate model simulations, incorporating observational data from the New Horizons mission, reveal atmospheric circulations driven by a large ice cap on Pluto.
By modeling the waves produced by a massive, ancient impact, scientists have begun to unlock the secrets of Pluto’s interior.
New observations confirm that main asteroid belt object Hygiea is round. It now fulfills all the requirements to graduate from asteroid to dwarf planet.
Cryovolcanoes, landslides, and water ice all point to current activity, researchers found.
It's been 10 years since Pluto was reclassified as a dwarf planet. But no matter the label, it and its dwarf planet cousins continue to stun researchers with their complexity.
Astronomers have discovered an icy ball in the dark and frigid regions of the outer solar system, which they suspect harbors secrets to the solar system's formation and evolution.
Hypervelocity impact experiments shed new light on the composition and evolution of the largest dwarf planet's little-known surface.