At more than 60 kilometers per second relative to the Sun, 3I/ATLAS did not arrive quietly. The object is only the third confirmed visitor from beyond the solar system, and its passage has turned into ...

It makes you wonder what else is out there.

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 ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar ...

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 ...

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 ...

December is the month that fans of the 3I/ATLAS interstellar comet have been waiting for. In a matter of days, the strange space object that has become a cultural phenomenon is due to get as close to ...

The interstellar comet 3I/ATLAS is set to make its closest approach to Earth in December. 3I/ATLAS is the third-ever discovered object confirmed to have originated from outside our solar system. While ...

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 ...

Before we say goodbye to our interstellar visitor, another close encounter is on its way. This one could be course-altering.

This might be more than a tail of fire and ice? Comet 3I/ATLAS has displayed a variety of atypical traits, from its bizarre trajectory through our solar system to a complex jet structure. Now, Harvard ...

The interstellar comet 3I/ATLAS will make its closest approach to Earth on Dec. 19. Originating from outside our solar system, the comet is not a threat to Earth. While not visible to the naked eye, ...