New infrared observations reveal that the rare interstellar visitor known as comet 3I/ATLAS has dramatically brightened ...

As it slips back into deep space, the interstellar comet 3I/ATLAS is behaving in ways that defy expectations. Instead of ...

SPHEREx tracked the interstellar comet as it grew considerably brighter after perihelion.

NASA’s SPHEREx mission observed infrared emissions from interstellar comet 3I/ATLAS, documenting changes in dust, gas, and ...

The latest data from the Webb telescope (reported here) indicates that the plume of gas and dust surrounding 3I/ATLAS ...

NASA and the Hubble telescope have not confirmed the sheer massive size of 3I/ATLAS as mysterious object leaves solar system ...

Just days ago, NASA dropped a batch of new images of a comet from an entirely different solar system that has for months been a source of public fascination and speculation. The object, named 3I/ATLAS ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

NASA's SPHEREx mission turned its infrared instruments toward comet 3I/ATLAS during its December 2025 campaign, contributing valuable data to the study of this unique interstellar object. The ...

Interstellar comet 3I/ATLAS made its closest approach to Earth on Friday, Dec. 19. The comet will pass within about 170 million miles of our planet and poses no danger. While not visible to the naked ...