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JWST Finds Early Massive Galaxy That Isn't Rotating

The result challenges standard timelines for how massive galaxies lose their spin.

New Meteor Shower Traces to Asteroid Crumbling Near the Sun

Study Traces Small Magellanic Cloud’s Odd Stellar Motions to Past Crash With the Large Magellanic Cloud

SETI Study Finds Stellar Space Weather May Smear Alien Radio Signals

Study Ties ASASSN-24fw’s 200-Day Fade to Ringed Brown Dwarf or Super-Jupiter

Early-Universe Quasar Defies Models With 13 Times the Eddington Limit, Bright X-Rays and a Radio Jet

JWST’s ‘Little Red Dots’ Linked to Young, Cocooned Supermassive Black Holes

JWST Reveals Nine Distant ‘Platypus’ Galaxies With Star-Like Profiles and Galaxy-Like Spectra

Hubble Captures Record-Breaking Chaotic Planet-Forming Disk 1,000 Light-Years Away

Interstellar Comet 3I/ATLAS Makes Closest Earth Pass Today at 270 Million Km

Gemini North Images Show Faint Green Glow From Interstellar Comet 3I/ATLAS

JWST Reveals a Mature Grand-Design Spiral Galaxy Far Earlier Than Models Predict

Astronomers Report Possible First Exomoon Orbiting HD 206893 b

JPL Confirms Non-Gravitational Acceleration in Interstellar Comet 3I/ATLAS

New Study Flags Possible Taurid ‘Resonant Swarm’ Risk in 2032 and 2036

Comet Lemmon Makes Closest Approach Oct. 20–21 With Prime Viewing Under New Moon

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

Interstellar Comet 3I/ATLAS Nears Oct. 30 Perihelion With CO2-Rich Makeup and Record Pace

JWST Study Flags Four Possible ‘Dark Stars,’ Including One With Tentative Helium Signature

Interstellar Comet 3I/ATLAS Tied to New Planet 'Seeding' Hypothesis