NASA's James Webb Space Telescope is finding clues that are leading scientists toward the origins of the interstellar comet ...

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.

The Hubble Space Telescope image of the interstellar comet 3I/ATLAS on July 21, 2025, when the comet was 277 million miles ...

Astronomers first spotted Comet 3I/ATLAS in June 2025, and it was later confirmed as an interstellar visitor that originated ...

NASA's James Webb Space Telescope found unusual isotopic signatures in interstellar comet 3I/ATLAS, suggesting it formed up ...

Juice observed 3I/ATLAS during perihelion, when Earth-based telescopes could not. Spectroscopic observations measured water ...

Based on evidence collected by the James Webb Space Telescope, researchers have found that interstellar comet 3I/ATLAS could ...

NASA will livestream new 3I/ATLAS images today, Wednesday, Nov. 19, 2025, amid increased public interest in the mystery of the interstellar object after Harvard University astrophysicist Avi Loeb ...

The findings surprised researchers, who used the comet's composition to better understand the environment in which it formed.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. An interstellar comet is passing through our solar system: here is ...