Astrochemistry

Two Spacecraft Observed Both Hemispheres Of Interstellar Comet 3I/ATLAS Simultaneously

• Press Release
• May 14, 2026

Astrochemistry

The Interstellar Comet 3I/ATLAS Was Born Somewhere Much Different From Our Solar System

• Press Release
• April 28, 2026

Astrochemistry

ALMA Reveals Interstellar Comet 3I/ATLAS Formed in a Far Colder World Than Our Own

• Press Release
• April 23, 2026

Comets and Asteroids

Secular Light Curve of Exocomet 3I/ATLAS, and its Location on a Comet Evolutionary Diagram

• Status Report
• April 23, 2026

Comets and Asteroids

Interstellar Comet Reveals Methane On Its Journey Through Our Solar System

• Press Release
• April 18, 2026

Comets and Asteroids

Subaru Telescope Captures Interstellar Comet 3I/ATLAS Composition Change

• Press Release
• April 16, 2026

Astrochemistry

A Post-perihelion Constraint On The CO2/H2O Ratio Of Interstellar Comet 3I/ATLAS From [O I] Forbidden Lines

• Status Report
• March 31, 2026

Astrochemistry

Coma Physics Of An Interstellar Object: JWST Spatial-Spectral Mapping Of 3I/ATLAS

• Status Report
• March 30, 2026

Astrochemistry

Isotopic Signature of Organic Molecules from Beyond the Solar System: An Enriched Methane D/H Ratio in the Interstellar Object 3I/ATLAS

• Status Report
• March 27, 2026

AI - Data - Apps - Cybernetics

How Open NASA Data on Comet 3I/ATLAS Will Power Tomorrow’s Discoveries

• Press Release
• March 25, 2026

Comets and Asteroids

How Juice Came To Observe Interstellar Comet 3I/ATLAS

• Press Release
• March 24, 2026

News Summary Archives

Unique Water Release Mechanism Uncovered In Interstellar Comet 3I/ATLAS

• Status Report
• March 23, 2026

SETI & Technosignatures

Narrowband Radio Technosignature Search Toward 3I/ATLAS With FAST

• Status Report
• March 21, 2026

Astrochemistry

Post-perihelion Coma Composition Of The Interstellar Comet 3I/ATLAS From Optical Spectroscopy

• Status Report
• March 19, 2026

Astrochemistry

High Nitrogen And Carbon Isotopic Ratios In The Interstellar Comet 3I/ATLAS

• Press Release
• March 18, 2026

Astrochemistry

Isotopic Evidence For A Cold And Distant Origin Of The Interstellar Object 3I/ATLAS

• Status Report
• March 17, 2026

Comets and Asteroids

Interstellar Object 3I/ATLAS Observed from Mars by China’s Tianwen-1 Spacecraft

• Status Report
• March 14, 2026

Astrochemistry

A Direct View of the Chemical Properties of Water from Another Planetary System: Water D/H in 3I/ATLAS

• Status Report
• March 11, 2026

Comets and Asteroids

Time-Domain Photometry and Activity Evolution of Interstellar Comet 3I/ATLAS with BHTOM

• Status Report
• March 7, 2026

Astrochemistry

ALMA Detects Extremely Abundant Alcohol in Interstellar Comet 3I/ATLAS

• Press Release
• March 6, 2026