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

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.

Key Findings Avi Loeb is demanding transparency from NASA. Congress wants answers before the December 19 close approach. And ...

When Comet Hale-Bopp blazed across the 1997 sky, it marked one of the most intensively observed celestial events of the 20th ...

December is the month that fans of 3I/ATLAS have been waiting for as the interstellar comet makes its closest approach to ...

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

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

One of the most intriguing events of the month is the perihelion — or closest approach to Earth — of Comet 3I/ATLAS on ...

The yet-to-be-peer-reviewed findings indicate that comet 3I/ATLAS shares similarities with the icy trans-Neptunian objects — ...

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