Science ❯ Astronomy ❯ Comets ❯ Interstellar Objects

3I/ATLAS

3I/ATLAS Nears Perihelion Behind the Sun as Scientists Prepare Focused Observations

Agencies pivot to spacecraft observations during the brief blackout from ground telescopes.

3I/ATLAS Nears Perihelion as Agencies Coordinate Tracking and Spacecraft Tail-Sampling Opportunities

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

Keck Confirms Anti-Solar Tail and Nickel-Rich Emissions From Interstellar Comet 3I/ATLAS

Water Detected From Interstellar Visitor 3I/ATLAS as Perihelion Nears

Mars Orbiters Capture Closest Views of Interstellar 3I/ATLAS as UV Data Reveal Intense Water Outgassing

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

Interstellar Comet 3I/ATLAS Makes Closest Pass to Mars as Spacecraft Observe

OpenAI Releases Sora 2 and Invite-Only Social App for AI Videos

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