Science ❯ Astronomy ❯ Comets ❯ Interstellar Comets

3I/ATLAS Observations

X-Ray and Gemini Observations Refine View of Interstellar Visitor 3I/ATLAS as Dec. 19 Earth Flyby Nears

Fresh multiwavelength data highlight unusual gases consistent with volatile-driven activity.

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