Science ❯ Astronomy ❯ Comets ❯ Interstellar Comets

3I/Atlas

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

Scientists describe the rare interstellar visitor as a natural, volatile‑driven comet posing no risk.

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

New Analysis Says Interstellar Comet 3I/ATLAS Is Far Larger Than First Estimated

Webb and SPHEREx Map CO2‑Dominated Coma of Interstellar Visitor 3I/ATLAS