Hubble Re-Observes Interstellar Comet 3I/ATLAS, NASA Confirms New Imaging Data

GREENBELT, MD — December 4, 2025

The NASA Hubble Space Telescope has captured new images and scientific data on the interstellar comet 3I/ATLAS, according to a formal release issued today by NASA’s Science Mission Directorate. NASA confirms that Hubble re-observed the comet on November 30, 2025, when the object was approximately 178 million miles from Earth.

The update from NASA notes that 3I/ATLAS is only the third confirmed interstellar object ever detected in our solar system. Hubble previously observed the comet in July 2025 after astronomers verified its hyperbolic trajectory, which proved that it originated beyond the solar system.

In NASA’s July findings, Hubble detected a dust-laden coma forming around the comet as sunlight began warming its icy nucleus. Today’s newly published material confirms that NASA is continuing its monitoring campaign, allowing mission scientists to directly compare the July dataset with the new November imagery to track changes in activity, dust output, and structural evolution.

According to the release from NASA, the comet poses no threat to Earth, and its path continues on an outbound trajectory after passing through the inner solar system earlier this year. NASA states that additional monitoring from Hubble and other NASA missions will continue over the coming months as the comet dims and travels farther away.

All confirmed information in this report comes exclusively from NASA and reflects only what the agency has formally published. NASA indicates that continued tracking of 3I/ATLAS may provide rare insight into the composition of material formed around other stars, offering scientists an opportunity to study how interstellar bodies differ from comets native to our solar system.

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Sources

Primary First-Hand Sources

• NASA — Science Mission Directorate — Official December 4, 2025 Hubble Update on 3I/ATLAS
• NASA — Hubble Space Telescope Program — July 2025 Observation Release
• NASA — Planetary Science Division — Public Confirmation of Interstellar Origin (July 2025)