Comets

Latest about Comets

A white light of the comet 3I/ATLAS is surrounded by a blue glow against a black background

Interstellar comet 3I/ATLAS caught on camera in new images from Hubble Space Telescope and JUICE Jupiter probe

By Sharmila Kuthunur published

JUICE and the Hubble Space Telescope turned their gazes towards the interstellar visitor in November.

Comets
A streak of white light is seen amidst a starry golden deep space image

NASA spacecraft tracks comet SWAN in incredible 40-day timelapse — and even glimpses interstellar invader 3I/ATLAS (video)

By Sharmila Kuthunur published

NASA imaged Comet C/2025 R2 (SWAN) every four minutes for nearly 40 days, marking the longest any comet has been tracked with such frequency.

Comets
A screenshot of a yellow dot which is comet 3I/ATLAS in the middle of a green and purple background

I watched scientists track interstellar comet 3I/ATLAS leaving the solar system in real-time: 'This is some prime-time science'

By Kenna Hughes-Castleberry published

"These images are not just pretty."

Comets
A series of four photos, one large one on the right and three stacked on the left showing various dots of comet 3I/ATLAS

4 key things NASA just revealed about the interstellar comet 3I/ATLAS

By Sharmila Kuthunur published

"This is a snapshot of where we are very early in the scientific process."

Comets
A series of four photos, one large one on the right and three stacked on the left showing various dots of comet 3I/ATLAS

NASA reveals new images of interstellar comet 3I/ATLAS from across the solar system: 'It looks and behaves like a comet'

By Monisha Ravisetti published

NASA has pointed its fleet of spacecraft at comet 3I/ATLAS to collect new footage of the interstellar invader. The agency has also said "all evidence points to it being a comet."

Comets
(Main) the interstellar comet 3I/ATLAS as seen by the ExoMars TRO (Inset) an illustration of the Mars orbiting spacecraft

Mars spacecraft images pinpoint comet 3I/ATLAS's path with 10x higher accuracy. This could help us protect Earth someday

By Robert Lea published

This is great news for planetary defense.

Comets
A white streak of a comet's tail can be seen in the center of the image as it streaks diagonally from top right to lower left between the dark silhouette of rocks blocking part of the starry night sky

Comet Lemmon lights up the sky over Spain | Space photo of the day for Nov. 11, 2025

By Kenna Hughes-Castleberry published

This image captures Comet Lemmon in dramatic fashion, its bright coma and faint tail arcing across the starfield.

Comets
A streak of white shows interstellar comet 3I/ATLAS in the center of a starry night sky

No, interstellar comet 3I/ATLAS hasn't 'changed color', scientist says

By Brett Tingley published

While media outlets have reported that curious interstellar comet 3I/ATLAS has changed color, the scientists behind a recent study say that isn't actually the case.

Comets
The interstellar comet 3I/ATLAS, imaged from Mars orbit by China's Tianwen 1 spacecraft on Oct. 3, 2025.

China's Tianwen 1 Mars probe captures images of interstellar comet 3I/ATLAS

By Andrew Jones published

China's Tianwen 1 spacecraft has imaged the interstellar comet 3I/ATLAS from Mars orbit, contributing to global efforts to study the rare visitor from beyond the solar system.

Comets
The 3I/Atlas comet brightening by an unexpected about as it approaches the sun

Interstellar invader Comet 3I/ATLAS is still full of surprises — an unexpected brightening has scientists baffled

By Robert Lea published

"The reason for 3I’s rapid brightening, which far exceeds the brightening rate of most Oort cloud comets at similar distances, remains unclear."

Comets
1 2 3 4 5 6 7 8 9 Archives