Later in December, the 3I/ATLAS interstellar comet will get as close to Earth as it ever will. Here's what to know.

The objects could be rocky fragments, structures formed during interstellar travel, or something entirely different.

It must be stressed that Comet 3I/ATLAS poses absolutely no threat to Earth and will remain far away. On its closest approach ...

With the interstellar visitor headed for its closest approach to our home planet, NASA has advised people on how to best ...

To catch the Geminids peak, look to the eastern sky all evening on Dec. 13 and Dec. 14. The meteors will appear near the ...

Interstellar comet 3I/ATLAS, only the third ever seen, returns with unique composition; experts eye 19 December 2025 as a date that could reshape comet science.

NASA’s new update confirms 3I/ATLAS behaves like a normal comet despite viral discussions suggesting otherwise.

Comet 3I/ATLAS was first spotted by telescopes in July. Ever since then, it has stirred a furor of excitement and mystery ...

On 2 December 1995, the ESA/NASA Solar and Heliospheric Observatory (SOHO) blasted into space—on what was supposed to be a ...

Harvard Professor Avi Loeb explores the pulsing 16.16-hour light variability of interstellar object 3I/ATLAS. Is its ...

For thirty years, SOHO has delivered an unprecedented, nearly unbroken view of the Sun, surviving multiple near-catastrophic ...