Science ❯Astronomy

Interstellar Objects

3I/ATLAS Comets Discovery Interstellar Comets Cometary Studies Oumuamua Comet Characteristics Asteroids Comet Discovery Cometary Activity

JWST Finds CO2-Dominated Coma Around Interstellar Visitor 3I/ATLAS

New spectra report an unusually high CO2-to-water ratio that bolsters the view that the object is a carbon‑rich comet.

Spacecraft Observations Sought as Loeb Raises Nuclear-Powered Theory for Interstellar Object 3I/ATLAS

Hubble Captures Sharpest View of Interstellar Visitor 3I/ATLAS, Strengthening Comet Case

Sharp Hubble Images Confirm 3I/ATLAS as Comet; Juno Intercept Study Advances

Interstellar Comet 3I/ATLAS Exhibits Cometary Activity at Record 209,000 km/h

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

Hubble Images Spur Juno Mission Study for Interstellar Comet

Mission Studies Spotlight Juno Flyby of Interstellar Comet 3I/ATLAS

ArXiv Study Exposes Daunting Propulsion Demands for 3I/ATLAS Intercept

Rubin Observatory Captures Pre-Discovery Video of Natural Interstellar Comet 3I/ATLAS

New Analysis Bolsters Natural Cometary Origin for Interstellar Visitor 3I/ATLAS

Hubble Captures Coma of Interstellar Comet 3I/ATLAS as Experts Uphold Natural Origin

High-Resolution Images Illuminate Ancient Interstellar Comet 3I/ATLAS

Astronomers Launch Global Observations of Interstellar Comet 3I/ATLAS

Interstellar Comet 3I/ATLAS Unveils Glowing Coma and Tail

Active Interstellar Comet 3I/ATLAS Set for Safe Solar System Passage

Interstellar Comet 3I/ATLAS Enters Inner Solar System

3I/ATLAS Identified as Third Interstellar Visitor With Cometary Activity

3I/ATLAS Confirmed as Third Interstellar Object, Set to Fly Past Mars

Ancient Interstellar Object May Have Reshaped Solar System's Planetary Orbits