Science ❯ Astronomy ❯ Comets ❯ 3I/ATLAS

Observations

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

A 37-night campaign found precessing jets in a sunward anti-tail, implying a roughly 15.5-hour spin.

Interstellar Comet 3I/ATLAS Clears Earth as Spacecraft Capture Rare Sun‑Side Views

Interstellar Comet 3I/ATLAS Makes Closest Pass to Earth at About 168 Million Miles

Interstellar Comet 3I/ATLAS to Make Safe Closest Approach Friday at 167 Million Miles

New X-Ray and Gemini Images Refine View of Interstellar Comet 3I/ATLAS Before Dec. 19 Earth Flyby

Hubble and Juice Capture New Views of Interstellar Comet 3I/ATLAS Ahead of Dec. 19 Flyby

Hubble and ESA’s Juice Capture 3I/ATLAS With Active Coma and Twin Tails

Interstellar Comet 3I/ATLAS Nears Dec. 19 Earth Flyby as Study Flags Strong Jupiter Perturbation

NASA Publishes Mars-Captured Views of Interstellar 3I/ATLAS as Minority Raises ‘Anomalies’

NASA Unveils Multi‑Mission Views of Interstellar Comet 3I/ATLAS

NASA to Unveil New 3I/ATLAS Images Today at 3 p.m. EST

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

New Images Show Interstellar Comet 3I/ATLAS Glowing Green With an Elusive Tail After Sun Swing

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

3I/ATLAS Brightens Unusually and Turns Blue Near the Sun as Data Indicate a Cosmic-Ray–Altered Crust

3I/ATLAS Nears Perihelion as Agencies Coordinate Tracking and Spacecraft Tail-Sampling Opportunities

Mars Orbiters Capture Closest Views of Interstellar 3I/ATLAS as UV Data Reveal Intense Water Outgassing

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

Interstellar Comet 3I/ATLAS Makes Closest Pass to Mars as Spacecraft Observe

3I/ATLAS Shows Growing Tail and Rapid Brightening as Evidence Favors a Natural Comet