Since comet 3I/ATLAS, the third known interstellar object, was discovered on 1 July 2025, astronomers worldwide have worked to predict its trajectory. ESA has now improved the comet's predicted ...

Does 3I/ATLAS have interstellar headlights? Harvard scientist Avi Loeb speculated that NASA’s recently released photos of 3I/ATLAS could potentially point to its artificial origins — and even wondered ...

This week, just days before Christmas, the interstellar comet 3I/ATLAS will make its closest approach to planet Earth – so close, that anyone with a "powerful amateur" telescope might see it. Here's ...

Comet 3I/ATLAS arrived from beyond the Solar System carrying a chemical story unlike anything astronomers had measured before ...

A comet from another star system is due to make its closest—and final—approach to Earth this week before it continues on its journey back toward interstellar space. Interstellar Comet 3I/ATLAS will ...

Could a comet’s path through the Solar System be fine‑tuned like that of a spacecraft? That is the provocative question at the heart of the latest developments surrounding the interstellar comet ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

Is the gas giant about to have a close encounter of the 3I kind? Harvard scientist Avi Loeb claims that 3I/ATLAS’ bizarre trajectory suggests that it’s sending “satellites” to Jupiter to gather intel ...

Cropped image of NASA’s James Webb Space Telescope observation of comet 3I/ATLAS with its Near-Infrared Spectrograph ...

Comet 3I/ATLAS was discovered on July 1, 2025, by the Asteroid Terrestrial-impact Last Alert System (ATLAS) telescope in Chile. The designation “3I” marks it as the third confirmed interstellar object ...