Science ❯ Astronomy ❯ Comets

Interstellar Objects

3I/ATLAS 3I/Atlas Comet 3I/ATLAS 31/ATLAS 3I-Atlas Discovery Comet ATLAS C/2025 N1 ATLAS

Interstellar Comet 3I/ATLAS Passes Perihelion, Begins Outbound Trek

Perihelion offers a rare chance to study material from another star system under peak heating.

3I/ATLAS Nears Perihelion During Solar Conjunction as Global Campaign Gears Up

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

Interstellar Comet 3I/ATLAS Slips Behind the Sun as New Study Finds Unusual Polarization