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Webb Reveals Non-Rotating Massive Galaxy in the Early Universe

The finding challenges timelines for how galaxies gain spin.

Study Reports Tenuous Atmosphere on a 500-Kilometer Kuiper Belt World

Most Precise Local Hubble Measurement Sets H0 at 73.5 km/s/Mpc

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

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

Princeton Study Points to Possible Distant ‘Planet Y’ Shaping Kuiper Belt Orbits

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