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JWST Spots Sulfur in HR 8799 c, Strengthening Case for Core Accretion

High-contrast spectroscopy reveals a chemical fingerprint that points super-Jupiters to a planet-building origin rather than a brown-dwarf pathway.

Astronomers Map 50-Million–Light-Year Rotating Cosmic Filament Nearby

Pleiades Recast as Core of a Vast 'Greater Pleiades' Stellar Family

Water Detected From Interstellar Visitor 3I/ATLAS as Perihelion Nears

Astronomers Directly Image a Forming Giant Planet Inside a Multi‑Ring Disk Gap