Juice observed 3I/ATLAS during perihelion, when Earth-based telescopes could not. Spectroscopic observations measured water ...
Astronomers first spotted Comet 3I/ATLAS in June 2025, and it was later confirmed as an interstellar visitor that originated ...
An interstellar comet that blazed past the sun last year could be nearly three times older than our solar system and is ...
NASA's James Webb Space Telescope is finding clues that are leading scientists toward the origins of the interstellar comet ...
When the most dramatic close-up of an alien visitor remains behind the closed door, the vacuum is quickly filled. This has become the case with the comet 3I/ATLAS which is one of the rare bodies in ...
When interstellar comet 3I/ATLAS was discovered by the ATLAS survey telescope in Chile on July 1, 2025, it quickly attracted ...
A deep image of interstellar Comet 3I/ATLAS captured by the Gemini Multi-Object Spectrograph (GMOS) on Gemini South at Cerro Pachón in Chile, one half of the International Gemini Observatory and ...
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 ...