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JWST Finds Metal-Poor Atmosphere on Giant Planet Around a Small Red Dwarf

A peer-reviewed JWST study points to a metal-poor sky over a heavy-element-rich interior, prompting a rethink of how giants form around red dwarfs.

Cornell Team Publishes Vetted List of 45 Rocky Exoplanets Most Likely to Host Life

Gravitational-Lens Time Delays Deliver New Hubble Constant, Deepening the Tension

NASA Study Warns Satellite Megaconstellations Will Contaminate Space-Telescope Images

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

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

Record Black Hole Flare Points to Tidal Disruption of a Giant Star

Study Flags Hidden Venus Co-Orbitals That Could Drift Into Earth-Crossing Paths

ASKAP Maps 185,000-Light-Year Hydrogen Bridge Between Two Dwarf Galaxies

Study Flags Hidden Venus Co-Orbital Asteroids as Long-Term Earth Hazard

ALMA Maps Fomalhaut’s Warped Debris Ring, Pointing to Hidden Planet Sculptors

JWST Study Points to Earendel Being a Compact Star Cluster

36-Billion-Solar-Mass Black Hole Confirmed in Distant Cosmic Horseshoe Galaxy

Dual Lensing-Kinematics Study Confirms 36-Billion-Solar-Mass Black Hole in Cosmic Horseshoe

Coherent Satellite Planes Around NGC5713/19 Offer Window into Milky Way–Andromeda Merger

Mineral Condensation Captured in Planet-Forming Disk of Protostar HOPS-315

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

Hundreds of TESS Exoplanets Are Larger Than Believed

Fast Radio Bursts Map 76% of Ordinary Matter to Cosmic Web

Milky Way’s Fate Hinges on 50-50 Odds of Andromeda Collision