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Kuiper Belt

Trans-Neptunian Objects Icy Bodies New Discoveries Kuiper Belt Objects Dwarf Planets Oort Cloud New Horizons Probe Pluto Dust Particles Observations Outer Edge Extended Kuiper Belt Outer Solar System Interplanetary Dust Icy Fragments Dust Detection Belt Size Estimation Outer Belt Possibility Kuiper Belt Object (KBO) Kuiper Belt Object 486958 Arrokoth Ice Evolution Cometary Evolution NASA Missions Ice Bombs Distant Objects Orbital Mechanics Crystalline Water Ice Cometary Origins Eris Observatories Transneptunian Objects Inner Kernel Primordial Clusters Planetary Formation Contact Binaries Gravitational Collapse Pluto-like Objects Cold Bodies Dwarf Planet Discovery

Webb Detects 27 Ultra‑Faint Worlds Beyond Neptune

Coordinated Hubble imaging shows the smallest cold‑classical objects retain the same optical–near‑infrared colours as larger members, a result that challenges standard models of planetesimal formation.

Two Decades After Its Demotion, Pluto Is Still a Dwarf Planet

NASA Chief Backs Restoring Pluto’s Planet Status, Plans Scientific Push

New Simulations Show Gravitational Collapse Can Build Kuiper Belt 'Snowman' Worlds

Researchers Identify Compact 'Inner Kernel' in the Kuiper Belt at 43 AU

New Distant Sednoid ‘Ammonite’ Casts Doubt on Planet Nine Hypothesis