Far out in the dark between the stars, a small visitor is carving a path through our solar system and leaving behind patterns ...

Add Yahoo as a preferred source to see more of our stories on Google. NBC News' Gadi Schwartz reports on "3I/ATLAS," mysterious outer space object that is thought to be billions of years old, making ...

The interstellar comet 3I/ATLAS has shifted from a routine curiosity to a physics puzzle, as NASA and other teams report that ...

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

An important event has taken place around 3I/ATLAS, as a group of eight images have been captured showing the appearance of this interstellar comet. This happened during January, w ...

Harvard astrophysicist Avi Loeb claims humanity missed a historic chance to find alien life on interstellar object 3I/ATLAS, warning it may have been a spacecraft on a seeding mission.

It may have made its closest approach to Earth last month, but the mysterious interstellar object 3I/ATLAS continues to fascinate astronomers as it now careens back out of the solar system, never to ...

This will be your best chance to see 3I/ATLAS in the night sky. Never-before-seen images of 3I/ATLAS capture the comet's ghostly beauty. Sorry to burst your bubble. The comet has reached ...

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