Science ❯ Astronomy ❯ Interstellar Objects

Comets

3I/ATLAS 3I/Atlas 3I-Atlas Extraterrestrial Life Chemical Composition

Europa Clipper May Skim 3I/ATLAS’s Ion Tail as Interstellar Comet Nears Perihelion

The alignment could yield the first in‑situ sample of ions from an interstellar comet, contingent on instrument readiness plus favorable solar‑wind conditions.

6 ARTICLES

2mo ago

New Images Show Interstellar Visitor 3I/ATLAS Growing a Tail as NASA Dismisses Alien-Craft Claims

20 ARTICLES

3mo ago

Webb and SPHEREx Confirm CO2-Dominated Coma Around Interstellar Comet 3I/ATLAS

10 ARTICLES

3mo ago

Hubble and Infrared Observations Show 3I/ATLAS Is an Active Interstellar Comet