Science ❯ Astronomy

Interstellar Objects

3I/ATLAS Comets Comet 3I/ATLAS Comet Characteristics Cometary Studies 3I/Atlas Comet Discovery Discovery Oumuamua Cometary Activity

Interstellar Comet 3I/ATLAS Approaches Dec. 19 Flyby at 270 Million Kilometers

Space agencies coordinate multiwavelength observations, reiterating the visitor is a natural, nonthreatening comet.

Interstellar Comet 3I/ATLAS Nears Dec. 19 Flyby as Global Network Tracks Green Glow and Sunward Anti-Tail

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

Interstellar Comet 3I/ATLAS Shows Faint X-Ray Halo as Safe Dec. 19 Flyby Nears

ALMA Spots Methanol-Rich Chemistry in Interstellar Visitor 3I/ATLAS

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

Interstellar Comet 3I/ATLAS Shows Signs of Global Ice Volcanoes, Study Finds

UN Network Launches Global Campaign to Track Interstellar Comet 3I/ATLAS Before Dec. 19 Flyby

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

NASA Unveils Closest Images of Interstellar Comet 3I/ATLAS After Multi‑Mission Campaign

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

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

NASA Set to Release HiRISE Images of Interstellar 3I/ATLAS as ESA Refines Its Track

Interstellar Visitor 3I/ATLAS Emerges Intact With HiRISE Images Expected Within Days

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

Radio Detection From 3I/ATLAS Points to Comet Activity as New Images Show Sprawling Jets

MeerKAT Registers First Radio Signature From Interstellar Visitor 3I/ATLAS

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

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

Interstellar Comet 3I/ATLAS Hits Perihelion as Global Observatories Intensify Monitoring