
Nov. 30, 2025: Hubble Looks Again
NASA’s Hubble Space Telescope reobserved interstellar comet 3I/ATLAS Nov. 30, with its Wide Field Camera 3 instrument.

Nov. 30, 2025: Hubble Looks Again
NASA’s Hubble Space Telescope reobserved interstellar comet 3I/ATLAS Nov. 30, with its Wide Field Camera 3 instrument.



Oct. 9, 2025: MAVEN
Instruments on the MAVEN spacecraft at Mars show the halo of gas and dust, or coma, surrounding 3I/ATLAS.

Oct. 9, 2025: MAVEN
Instruments on the MAVEN spacecraft at Mars show the halo of gas and dust, or coma, surrounding 3I/ATLAS.

Oct. 4, 2025: Perseverance (.gif)
Perseverance paused from its exploration of Mars and used its mastcam to take a picture of the comet.

Oct. 4, 2025: Perseverance (.gif)
Perseverance paused from its exploration of Mars and used its mastcam to take a picture of the comet.
Oct. 2, 2025: MRO
The HiRISE camera on the Mars Reconnaissance Orbiter observed the comet from about 18.6 million miles away.

Sept. 28-Oct. 10, 2025: PUNCH (.gif)
Combined images from PUNCH when the comet was between 231-235 million miles from Earth.
Sept. 28-Oct. 10, 2025: PUNCH (.mp4)
Combined images from PUNCH when the comet was between 231-235 million miles from Earth.

Sept. 28, 2025: MAVEN
MAVEN's ultraviolet instrument images the Hydrogen atoms surrounding the comet.

Sept. 28, 2025: MAVEN
MAVEN's ultraviolet instrument images the Hydrogen atoms surrounding the comet.

Sept. 20-Oct. 3, 2025: PUNCH
These combined images from the PUNCH mission, collected Sept. 20-Oct. 3, 2025, show the comet's tail as a short elongation to the right.

Sept. 16, 2025: Lucy
On its way to the Trojan asteroids, the Lucy spacecraft spotted comet 3I/ATLAS from about 240 million miles away.

Sept. 16, 2025: Lucy
This diagram of the solar system shows Lucy's relative position to the comet.

Sept. 11-25, 2025: STEREO
Comet 3I/ATLAS is visible by using colorized, stacked images collected by the STEREO mission.
Sept. 11-25, 2025: STEREO (.mp4)
Comet 3I/ATLAS is visible using a series of stacked images collected by the STEREO mission.

Sept. 8-9, 2025: Psyche (.gif)
The Psyche spacecraft captured four observations of 3I/ATLAS over eight hours.

Sept. 8-9, 2025: Psyche
The Psyche spacecraft captured four observations of 3I/ATLAS over eight hours.

Aug. 7-15, 2025: SPHEREx
NASA’s SPHEREx mission observed the interstellar comet 3I/ATLAS for about a week.

Aug. 7-15, 2025: SPHEREx (.gif)
NASA’s SPHEREx mission observed the interstellar comet 3I/ATLAS for about a week.

Aug. 6, 2025: James Webb Space Telescope
NASA’s James Webb Space Telescope observed interstellar comet 3I/ATLAS with its Near-Infrared Spectrograph instrument.

Aug. 6, 2025: James Webb Space Telescope
NASA’s James Webb Space Telescope observed interstellar comet 3I/ATLAS with its Near-Infrared Spectrograph instrument.
July 21, 2025: Hubble Space Telescope
Hubble captured this image of the interstellar comet 3I/ATLAS when the comet was 277 million miles from Earth.

July 1, 2025: ATLAS Survey Telescope (.gif)
This animation shows the observations of comet 3I/ATLAS when it was discovered on July 1, 2025 by the NASA-funded ATLAS survey telescope in Chile.

July 1, 2025: ATLAS Survey Telescope: First Image
This image shows the observation of comet 3I/ATLAS when it was discovered on July 1, 2025. The NASA-funded ATLAS survey telescope in Chile first reported that the comet originated from interstellar space.