Webb reveals unusual ice in interstellar comet 3I/ATLAS that closely resembles icy objects beyond Neptune, offering clues to ...

James Webb Telescope findings reveal 3I/ATLAS contains unusual dusty ice grains, offering clues about planet formation beyond ...

JWST measurements reveal unusual chemical signatures in 3I/ATLAS, suggesting the interstellar comet formed in an extremely ...

New James Webb observations suggest interstellar comet 3I/ATLAS contains ancient ice that may have formed up to 12 billion ...

(NASA/ESA/D. Jewitt/UCLA/J. DePasquale/STScI) Exiled interstellar visitors like comet 3I/ATLAS are time capsules from the ...

The interstellar comet 3I/ATLAS carries a chemical clue to conditions in the planetary system of its origin, locked away long ...

The findings are another clue towards understanding the origins of 3I/ATLAS and the planet-forming conditions around other stars.

Learn more about the unique ice grains from comet 3I/ATLAS and how they may hold clues to the building blocks of planets.

The most sensational story of the year for astronomers has been the discovery of the comet 3I/ATLAS, which was first observed on July 1, 2025 by NASA's Asteroid Terrestrial-impact Last Alert System ...

NASA’s Europa Clipper spacecraft has captured images of interstellar comet 3I/ATLAS as the object — perhaps the oldest ever seen by astronomers — whizzes through the inner solar system. On Nov. 6, ...