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

TheJames Webb Space Telescope has found that the water ice in interstellar comet 3I/ATLAS contains unusually large amounts of ...

A Southwest Research Institute–led study used NASA's James Webb Space Telescope to examine ice grains streaming from ...

But not in the way you'd expect.

The James Webb Space Telescope finds comet 3I/ATLAS's chemistry resembles that of some icy worlds beyond Neptune in our Solar ...

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 ...

JWST observations of interstellar comet 3I/ATLAS reveal micron-sized, dust-rich water ice grains whose spectra resemble icy ...

Does 3I/ATLAS have interstellar headlights? Harvard scientist Avi Loeb speculated that NASA’s recently released photos of 3I/ATLAS could potentially point to its artificial origins — and even wondered ...

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The interstellar object "3I/ATLAS," which flew into the solar system in 2025 and is now quietly moving away, has been the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Comet 3I/ATLAS—the third interstellar object ever known to pass through ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A deep image of interstellar Comet 3I/ATLAS captured by the ...