Interstellar comet 3I/ATLAS is briefly out of view as it travels around the sun this week, but researchers and amateur ...

The European Space Agency is making use of spacecraft designed for Mars and Jupiter missions to track interstellar comet 3I/ATLAS as it continues its journey through our solar system. First spotted in ...

Explore NASA’s 2025 comet watchlist, which features the interstellar visitor Comet 3I/ATLAS and 8 others reshaping U.S. space ...

Astronomers are tracking a newly discovered interstellar visitor called 3I/ATLAS, and early research suggests it may be unusually massive. The comet was first spotted on July 1, 2025, by the ATLAS ...

HILO, Hawaii – Astronomers continue to track Comet 3I/ATLAS, the third-ever discovered interstellar object, passing through our solar system using ground-based telescopes to document this striking ...

Observing 3I/ATLAS in this active phase will give some of the clearest insights yet into the mystery of interstellar comets. The European Space Agency is making use of spacecraft designed for Mars and ...

CAPE CANAVERAL, Fla. (AP) — A newly discovered comet is streaking past Earth, providing a stunning nighttime show after buzzing the sun and expanding its tail. Comet Neowise was spotted by the NASA ...

Another comet, C/2025 A6 Lemmon, is possibly becoming bright enough to be visible to the naked eye in the coming days.(WTOP/Greg Redfern) A year ago, the D.C. region was enthralled with Comet A3 ...