Science ❯ Astronomy ❯ Interstellar Objects

3I/Atlas

Characteristics Space Probes Research Findings Discoveries Comet Classification Historical Context Scientific Analysis Orbital Dynamics

NASA Reaffirms 3I/ATLAS Is a Comet as New Images Intensify Scrutiny Ahead of December Flyby

NASA maintains it is a comet posing no risk to Earth.

Viral Mars Rover Image of 3I/ATLAS Draws Fresh Scrutiny as Scientists Flag Camera Artifact

Interstellar Comet 3I/ATLAS Withstands Solar Storm as Mars Flyby Nears

New Spectra Show 3I/ATLAS Is a Carbon‑Chain–Depleted Interstellar Comet With Weak CN Emission

Hubble and Rubin Data Clash on 3I/ATLAS Size as Alien-Spacecraft Theory Lingers