Science ❯ Astronomy ❯ Celestial Objects

Interstellar Objects

3I/ATLAS Comet Characteristics 2I/Borisov 3I/ATLAS Characteristics Comet 3I/ATLAS Comets A11pl3Z 3I/Atlas 'Oumuamua Comet Behavior

JWST Detects Methane From Interstellar Comet 3I/ATLAS

The finding points to buried ices venting after perihelion.

ALMA Reveals 3I/ATLAS Is Exceptionally Methanol‑Rich, Indicating a Heterogeneous Interstellar Comet

TESS Reobserves Interstellar Comet 3I/ATLAS After Safe-Mode Gap

Impact Alert Withdrawn as Suspected Asteroid Reidentified as Interstellar Comet 3I/ATLAS

Radio Search Finds No Signal From Interstellar Comet 3I/ATLAS as Hubble Images Twin Jets

Sun-Facing Tail in Interstellar Comet 3I/ATLAS Reveals Wobbling Jets, Suggesting 15.5-Hour Rotation

Interstellar Comet 3I/ATLAS Makes Safe, Distant Pass by Earth

Scientists Say Interstellar Comet 3I/ATLAS Won't Be Visible During Near Pass

Interstellar Comet 3I/ATLAS Nears Dec. 19 Flyby as Study Finds 16.16-Hour Spin

Radio Signal Confirms 3I/ATLAS as Natural Comet as Brightness Dips

Interstellar Comet 3I/ATLAS Inside 300 Million Kilometers, Set for 269 Million-Kilometer Earth Flyby on Dec. 19

Interstellar Comet 3I/ATLAS Reappears for Earth Observers as JUICE Starts Targeted Campaign

Perihelion Data Show Non-Gravitational Push on 3I/ATLAS, Prompting New Scrutiny

After Perihelion, Swift Spots Unexpected Water From Interstellar 3I/ATLAS

NASA and IAWN Activate Coordinated Tracking of Interstellar Comet 3I/ATLAS Ahead of Perihelion

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

Water Detected From Interstellar Visitor 3I/ATLAS as Perihelion Nears

ESA Mars Orbiter Captures Closest View of Interstellar Comet 3I/ATLAS

Researchers Map Spacecraft Views of Interstellar Comet 3I/ATLAS as Perihelion Nears

Spacecraft Observations Sought as Loeb Raises Nuclear-Powered Theory for Interstellar Object 3I/ATLAS