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Interstellar Comet 3I/ATLAS Shows Extreme Heavy-Water Enrichment, Study Finds

ALMA observations days after perihelion enabled the first deuterium measurement on an interstellar visitor.

ALMA Finds Extreme Heavy-Water Ratio in Interstellar Comet 3I/ATLAS

ALMA Finds Interstellar Comet 3I/ATLAS Strikingly Methanol‑Rich With Unusual Outgassing

ALMA Unveils Record 650-Light-Year Mosaic of the Milky Way’s Turbulent Core

SPHEREx Detects 20-Fold Post-Perihelion Surge in Interstellar Comet 3I/ATLAS

JWST Confirms Runaway Supermassive Black Hole Traveling at About 1,000 km/s

Avi Loeb Reports 16.16-Hour 'Heartbeat' in 3I/ATLAS Light Curve

VLT Captures Olive-Shaped Shock Breakout From Nearby Supernova

Radio Detection From 3I/ATLAS Bolsters Natural-Comet Explanation

Interstellar Comet 3I/ATLAS Reappears to Earth View as Anomalies Drive Push for Faster Data Releases

Rogue Planet Devours Matter at Record 6 Billion Tons Per Second

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

Mission Studies Spotlight Juno Flyby of Interstellar Comet 3I/ATLAS

Durham Team Predicts Up to 100 Hidden Milky Way Satellite Galaxies

Unusual 44-Minute Radio and X-Ray Pulses Detected Deep in Milky Way

Astronomers Capture First Direct Evidence of Quasar Radiation Disrupting Neighboring Galaxy

Astronomers Unveil Twin Brown Dwarfs Solving Decades-Old Mystery